Celestial
2027 Total Solar Eclipse (Luxor, Egypt)
Celestial
2028 Total Solar Eclipse (Australia)
Atmospheric
Abashiri Drift Ice Mirage
Wildlife
Abrolhos Humpback Whale Breeding Season
Biological
Adams River Sockeye Salmon Run
Marine
Aeolian Islands dolphin feeding aggregations
Wildlife
African Dry-Season Waterholes
Wildlife
African Penguin breeding colony (Boulders Beach)
Atmospheric
Airglow (atmospheric chemiluminescence)
Botanical
Ajloun Forest - Autumn Oak Colors
Geological
Akafuji (Red Fuji)
Wildlife
Akiakane Dragonfly Mass Migration
Botanical
Aksu-Zhabagly Wild Tulip Steppe Bloom
Biological
Alaska Snow Geese Spring Blastoff
Marine
Algarve Sardine Baitball and Dolphin Feeding Frenzy
Marine
Algoa Bay Chokka Squid Spawning Run
Atmospheric
Alishan Sea of Clouds Sunrise
Marine
Aliwal Shoal ragged-tooth shark aggregation
Biological
Alkali (Brine) Fly Shoreline Swarms
Biological
Alkefjellet Brunnich's Guillemot Cliff Nesting
Marine
Alor Sperm Whale Passage
Celestial
Alpha Capricornids
Botanical
Altai Golden Mountains Autumn Larch Colors
Marine
Amalfi Coast Bioluminescent Plankton
Wildlife
Amami Blue Glassy Tiger Overwintering Clusters
Marine
Amami Pufferfish Sand Circles
Wildlife
Amazon (boto) pink river dolphin courtship
Botanical
Amazon Giant Water Lily Bloom
Botanical
Amazon Igapó Flooded Forest Canopy Season
Geological
Amazon Meeting of the Waters Flood Season
Wildlife
Amazon River Dolphin Breeding Congregation
Marine
Ambergris Caye Mutton Snapper Spawning Aggregations
Wildlife
Amboseli Elephant Herds with Kilimanjaro Backdrop
Marine
Andaman Sea Bioluminescent Plankton
Wildlife
Andasibe Indri Breeding Chorus
Wildlife
Andean Cock-of-the-Rock Lek Season
Wildlife
Andean Condor Thermals in Mendoza
Biological
Andean Flamingo Nesting, Laguna Colorada & Altiplano Lakes
Geological
Angel Falls Peak Flow Season
Biological
Angermanälven Great Moose Migration
Marine
Anilao Flamboyant Cuttlefish Mating Displays
Wildlife
Ankarafantsika Coquerels Sifaka Baby Boom
Wildlife
Ankarana Cave Bat Emergence
Celestial
Annular Solar Eclipse
Celestial
Annular Solar Eclipse - January 26, 2028
Biological
Año Nuevo Elephant Seal Pupping
Botanical
Anza-Borrego Desert Superbloom
Marine
Aori-ika (bigfin reef squid) egg-laying, Izu Peninsula
Marine
Aoshio (Tokyo Bay Blue Tide)
Geological
Apostle Islands Ice Caves
Botanical
Appalachian Foxfire (Bioluminescent Fungi)
Marine
Aqaba Coral Spawning (Red Sea)
Botanical
Arabian Desert Truffle Bloom
Atmospheric
Aral Sea salt-dust storms
Botanical
Araucaria Monkey Puzzle Pine Nut Harvest
Marine
Archipelago Sea Baltic herring spawning (Airisto)
Wildlife
Argan tree goats
Wildlife
Argan-tree goats (Paradise Valley region)
Biological
Ariake Mutsugoro Mudskipper Breeding Displays
Biological
Asagi-madara Butterfly Migration
Botanical
Asahidake (Daisetsuzan) First Koyo
Botanical
Ashikaga Great Wisteria Superbloom
Botanical
Asir Juniper Cloud Forest
Botanical
Aso Noyaki (Grassland Burning)
Weather
Asperitas Clouds
Botanical
Atacama Flowering Desert - Chile
Wildlife
Atlantic Forest Golden Lion Tamarin Baby Season
Wildlife
Atlantic Puffin Colonies
Wildlife
Atol das Rocas Seabird Nesting Colony
Geological
Attabad Lake turquoise seasonal change
Geological
Augrabies Falls - Peak Flow
Atmospheric
Aurora Australis (Southern Lights)
Celestial
Aurora Borealis (Northern Lights)
Marine
Australian Fur Seal Pupping (Seal Rocks)
Botanical
Autumn Foliage Peak - New England
Wildlife
Azraq Wetland Crane Stopover
Atmospheric
Ba Be Lake autumn mist reflections
Wildlife
Bab-el-Mandeb Raptor Migration
Wildlife
Baikal seal (nerpa) pupping
Botanical
Baili Azalea Sea (百里杜鹃)
Wildlife
Bald Eagle Congregation - Chilkat River
Wildlife
Bale Mountains Ethiopian Wolf Pack Hunting
Botanical
Bale Mountains Giant Lobelia
Wildlife
Ballestas Islands Guano Bird Mega Colony
Wildlife
Bamenda Highlands montane bird congregation
Wildlife
Banc d'Arguin Shorebird Congregation
Marine
Bandar-e Jask mangrove bioluminescence
Wildlife
Banded Stilt Mass Breeding (Inland Salt Lakes)
Wildlife
Bandhavgarh Tiger Sighting Peak
Botanical
Bang Lang Wild Orchid Cloud Forest Bloom
Wildlife
Bangweulu Wetlands Shoebill Breeding Season
Botanical
Barsey Rhododendron Sanctuary Bloom
Marine
Basking Shark Season, Hebrides
Marine
Basking Shark Surface Feeding (Shetland)
Biological
Bass Rock Gannet Breeding Season
Wildlife
Bat Emergence - Bracken Cave
Wildlife
Bat Exodus
Marine
Bat Islands bull-shark aggregation
Biological
Batumi Raptor Migration
Marine
Bau Nyale (Nyale Sea Worm Emergence)
Marine
Bazaruto dugong feeding aggregation
Marine
Bazaruto Sailfish Run
Wildlife
Bee Hummingbird Breeding Season
Atmospheric
Belt of Venus and Earth's Shadow
Marine
Beluga Whale Estuary Aggregation (Churchill)
Geological
Benifuji (Crimson Fuji)
Wildlife
Berenty Ring-tailed Lemur Baby Season
Marine
Bermuda fireworm bioluminescent mating spirals
Celestial
Beta Taurid Daylight Fireballs
Wildlife
Bhandardara Firefly Mass Display
Wildlife
Bharatpur / Keoladeo crane winter congregation
Wildlife
Bijagós Green Turtle Nesting (Guinea-Bissau)
Marine
Bimini Great Hammerhead Shark Aggregation
Botanical
Bioluminescent Forest Fungi (Japan)
Botanical
Bioluminescent Fungi - Ghost Mushrooms
Wildlife
Bioluminescent Termite Mounds of Emas National Park
Wildlife
Bismarck Archipelago leatherback turtle nesting
Wildlife
Bison Rut - Yellowstone
Biological
Black Sun (Sort Sol) Starlings
Wildlife
Black-necked Crane wintering (Guizhou)
Wildlife
Blackwater Snow Goose & Tundra Swan Winter Spectacle
Biological
Blakiston's Fish Owl in Rausu, Shiretoko
Geological
Blood Falls (Taylor Glacier)
Celestial
Blood Moon - Total Lunar Eclipse
Geological
Blue Lava/Blue Flames (Kawah Ijen)
Marine
Blue Tears (bioluminescence) - Pingtan Island
Botanical
Bluebell Woods (England)
Biological
Boa Vista Loggerhead Turtle Hatchling Emergence
Marine
Bocas del Toro hawksbill turtle nesting
Wildlife
Bogong Moth Migration
Wildlife
Bohol Loboc River Firefly Mass Glow
Wildlife
Bohol Mangrove Firefly Rivers (Abatan / Loboc / Maribojoc)
Geological
Boiling Lake of Dominica
Marine
Bonaire Brittle Star Mass Spawning
Biological
Bonaventure Island Northern Gannet Colony
Geological
Bonneville Salt Flats mirror effect
Geological
Booming Sand Dunes (Khuzestan)
Marine
Bosphorus Autumn Fish Migration (Palamut/Lüfer Run)
Biological
Bosphorus Raptor Migration
Biological
Bosque del Apache Sandhill Crane Blast-off
Marine
Bothnian Bay coastal polynya (Kvarken)
Wildlife
Boxley Valley Elk Rut
Astronomical
Brecon Beacons Milky Way - Galactic Core
Marine
Bremer Bay Orca Season
Marine
Brinicle (brine icicle)
Marine
Brinicle Formation
Atmospheric
Brocken spectre
Wildlife
Brown Bear Salmon Feast - Katmai
Biological
Brown Bear Salmon Run at Kuril Lake
Astronomical
Bruneau Dunes Dark-Sky Dune
Marine
Bunaken Coral Mass Spawning
Wildlife
Bundala: Greater Flamingo Winter Flocks
Botanical
Burren Wildflower Bloom (limestone pavement)
Marine
Cabo Pulmo Jackfish Tornado
Botanical
Caledonian Forest Fly Agaric Mushroom Flush
Marine
California Dolphin Superpod (Monterey Bay)
Botanical
California Superbloom
Wildlife
Camargue flamingo breeding colony
Geological
Canaima Lagoon Tepui Cascade Season
Botanical
Caño Cristales (River of Five Colors)
Wildlife
Cap Tourmente Greater Snow Geese Staging
Marine
Cape Cod Bay Right Whale Spring Aggregation
Marine
Cape Cod Great White Shark Seal Predation
Biological
Cape fur seal pup mega-colony (Namibia)
Wildlife
Cape Gannet breeding colony (Lambert's Bay)
Wildlife
Cape Irago Hawk Migration
Wildlife
Cape May Monarch Butterfly Roosting
Biological
Cape May Raptor Fall Migration
Biological
Cape St. Marys Northern Gannet Mega-Colony
Marine
Cape Verde Humpback Whale Breeding Season
Marine
Cape Verde loggerhead turtle nesting
Wildlife
Cape Woolamai Shearwater Return
Marine
Capelin Rolling
Geological
Cappadocia fairy-chimney frost erosion
Wildlife
Carara Scarlet Macaw Nesting
Marine
Cardigan Bay Bottlenose Dolphin Season
Wildlife
Carlsbad Caverns Bat Flight
Botanical
Carlsbad Ranunculus Flower Fields
Biological
Caroni Swamp Scarlet Ibis Sunset Roost
Botanical
Castelluccio La Fiorita (Piano Grande wildflower mosaic)
Wildlife
Cat Tien Yellow-cheeked Gibbon Dawn Chorus
Atmospheric
Catatumbo Lightning (Relámpago del Catatumbo)
Wildlife
Caucasus Bearded Vulture nesting
Marine
Cenderawasih Bay Whale Shark Bagans
Geological
Cenote Angelita Underwater River
Botanical
Central Australia Desert Wildflower Bloom
Wildlife
Central Suriname Cock-of-the-rock Lek
Botanical
Cerrado ipê mass flowering
Botanical
Cerrado post-fire phoenix bloom
Geological
Chaka Salt Lake (Sky Mirror)
Marine
Chandipur Vanishing Sea (Low Tide)
Marine
Channel Islands blue whale feeding aggregation
Geological
Chapada Diamantina cave sunbeam
Botanical
Chapada dos Veadeiros Cerrado Wildflower Bloom
Wildlife
Chatyr-Kul Lake bar-headed goose breeding
Botanical
Cherrapunji Living Root Bridges - Monsoon Peak
Botanical
Cherry Blossom Season (Japan)
Geological
Chilean Fjords Glacier Calving
Wildlife
Chilika Lake Flamingo Winter Congregation
Wildlife
Chiloé Punihull Mixed Penguin Colony
Botanical
Chimgan Mountains wildflower bloom
Wildlife
Chincoteague Wild Pony Swim (Pony Penning)
Biological
Chinstrap Penguin Peak Nesting - Deception Island
Geological
Chiribiquete tepui waterfall mist
Wildlife
Chitwan & Bardia Fireflies (Junkiri) Summer Display
Biological
Chobe River Elephant Concentration
Botanical
Chochołowska Valley Crocus Purple Carpet
Geological
Chocolate Hills Seasonal Color Change
Geological
Chott el Djerid Mirror Season
Atmospheric
Chott el-Jerid Summer Mirage (Fata Morgana)
Wildlife
Christmas Island Red Crab Migration
Biological
Churchill Polar Bear Congregation
Atmospheric
Circumzenithal arc
Wildlife
Cliffs of Moher seabird nesting season
Biological
Clione (Sea Angels) on Okhotsk Drift Ice
Atmospheric
Cloud Iridescence
Marine
Coastal Bioluminescent Red Tide (San Diego)
Botanical
Cocora Valley wax palm cloud forest
Marine
Cocos Island Hammerhead Shark Aggregations
Wildlife
Colca Canyon Condor Morning Thermal Spirals
Biological
Columbia River Eulachon (Candlefish) Run
Wildlife
Comanche Grassland Tarantula Walkabout
Marine
Con Dao Green Turtle Nesting
Marine
Con Dao hawksbill turtle nesting
Biological
Congaree Synchronous Fireflies
Geological
Congo River Seasonal Flood Pulse
Biological
Congress Avenue Bridge Bat Emergence
Botanical
Copihue Bloom
Marine
Coral Reef Dawn & Dusk Chorus
Marine
Coral Spawning - Great Barrier Reef
Marine
Coral Trout Spawning Aggregations (Great Barrier Reef)
Wildlife
Corbett Elephant River Congregation
Marine
Corryvreckan Whirlpool
Marine
Corsican red coral (Corallium rubrum) diving season
Botanical
Cotswolds Snowdrop Carpets
Wildlife
Cox's Bazar Red Crab Aggregations
Wildlife
Cox's Bazar red ghost crabs
Wildlife
Crane Migration (Vorpommersche Boddenlandschaft)
Atmospheric
Crepuscular and Anticrepuscular Rays
Wildlife
Cres Island Griffon Vulture Nesting
Wildlife
Crooked Tree Jabiru Stork Congregation
Wildlife
Cross River Gorilla (montane forest viewing)
Marine
Crystal River Manatee Gathering
Wildlife
Cuban Trogon nesting (Sierra del Rosario)
Wildlife
Cuc Phuong butterfly and firefly season
Marine
Curaçao Coral Mass Spawning
Wildlife
Cusco Cloud Forest Tanager Wave Season
Wildlife
Custer State Park Buffalo Roundup
Wildlife
Cusuco cloud forest Resplendent Quetzal breeding
Biological
Dadia Forest Raptor Migration Bottleneck
Biological
Daito Islands Butterfly Mass Migration
Wildlife
Dana Reserve Nubian Ibex Rut
Geological
Danakil Depression & Erta Ale
Wildlife
Darien Harpy Eagle Nesting Window
Atmospheric
Daruma Yuuhi (Daruma Sunset)
Geological
Darvaza Gas Crater (Door to Hell)
Marine
Darwin Island Whale Shark Aggregation
Botanical
Darwin's Orchid Bloom (Andasibe)
Geological
Dasht-e Kavir salt-playa polygonal patterns
Wildlife
Dauphin Island Spring Migratory Bird Fallout
Marine
Daymaniyat Islands Hawksbill Turtle Nesting
Geological
Dead Sea Salt Crystal Formations
Wildlife
Deer Cave Bat Exodus (Gunung Mulu)
Biological
Delaware Bay Red Knot and Horseshoe Crab Spawn
Celestial
Delta Aquariid Meteor Shower
Wildlife
Deosai Plateau Himalayan Brown Bear (summer)
Marine
Derawan green turtle nesting
Geological
Dettifoss Peak Flow (Snowmelt)
Marine
Detwah Lagoon Bioluminescence
Geological
Diamond Beach Icebergs (Breiðamerkursandur)
Celestial
Diamond Fuji
Wildlife
Diani Beach Green Turtle Nesting
Wildlife
Dismalites (Orfelia fultoni) bioluminescence
Wildlife
Djoudj National Bird Sanctuary - Pelican Breeding
Botanical
Doi Inthanon Rhododendron Bloom
Geological
Dolomites Alpenglow (Enrosadira)
Wildlife
Dolpo yak transhumance (spring migration)
Botanical
Dolpo Yartsa Gunbu Harvest
Marine
Donsol Whale Shark Season
Celestial
Draconid Meteor Shower
Botanical
Drakensberg Alpine Wildflower Bloom
Marine
Dugong seagrass feeding, Trang (Ko Libong & adjacent waters)
Geological
Dunhuang Yardang ("Ghost City")
Celestial
Durban Total Solar Eclipse (2030)
Marine
Dwarf Minke Whale Encounters, Ribbon Reefs
Atmospheric
Earthshine (Da Vinci Glow)
Marine
East Coast Humpback Whale Migration (Australia)
Biological
Eastfjords Reindeer Rut
Biological
Eilat Spring Bird Migration Bottleneck
Marine
Eisstoß (Eisschollenteppich) at Jasmund / Rügen
Weather
Eisstoß (Rügen, Jasmund)
Geological
El Tatio Geysers Dawn Display
Wildlife
Elk Rut - Rocky Mountains
Astronomical
Elqui Valley Galactic Core Season
Atmospheric
Emeishan Buddha's Light (Brocken spectre / glory)
Wildlife
Emperor Penguin March - Antarctica
Geological
Encontro das Águas (Meeting of Waters, Manaus)
Wildlife
Ephemeral Pool Resurrection Life
Wildlife
Espanola Waved Albatross Courtship Season
Celestial
Eta Aquariid Meteor Shower
Wildlife
Etosha Waterhole Wildlife Congregation
Wildlife
Everglades alligator courtship bellowing
Geological
Eye of the Sahara (Richat Structure)
Wildlife
Ezo Sika Deer Rut
Biological
Fair Isle Autumn Migrant Passage
Marine
Fakarava South Pass Grouper Spawning
Marine
Falmouth Bay Sea Sparkle
Marine
False Bay bioluminescent red tide
Atmospheric
Fanjingshan Sea of Clouds
Marine
Farallon Islands Great White Shark Aggregation
Wildlife
Farasan Islands gazelle (Farasani / idmi population)
Biological
Farne Islands Arctic Tern Nesting Season
Atmospheric
Fata Morgana (Strait of Messina)
Botanical
Ferlo Green Season Bloom
Wildlife
Fernandina Flightless Cormorant Mating Season
Wildlife
Fernando de Noronha Spinner Dolphin Bay Gathering
Marine
Fiji Balolo Rising
Geological
Fingal's Cave Basalt Columns and Wave Acoustics
Atmospheric
Fire Rainbow (Circumhorizontal Arc)
Marine
Firefly Squid of Toyama Bay
Geological
Fitz Roy Alpenglow
Wildlife
Flamingo Congregation - East African Rift Lakes
Geological
Flint Hills Tallgrass Prairie Burn Season
Marine
Florida Keys coral mass spawning
Marine
Flower Garden Banks Coral Mass Spawning
Geological
Fly Geyser
Atmospheric
Fogbow (White Rainbow)
Wildlife
Fossa mating displays (Kirindy Forest)
Biological
Fowlsheugh Seabird Breeding Season
Marine
Franz Josef Land walrus haul-out
Marine
Frederick Sound Humpback Bubble-Net Feeding
Wildlife
Freezout Lake Snow Goose Migration (Blastoff)
Marine
Frost flowers on new sea ice (Finland)
Geological
Frost quake (cryoseism)
Geological
Frozen Methane Bubbles - Abraham Lake
Geological
Frozen Waterfalls of Oirase Gorge
Volcanic
Fuego volcano nocturnal eruption glow
Botanical
Fuji Shibazakura Festival
Geological
Fukuroda Falls Hyobaku
Botanical
Furano Lavender Bloom
Geological
Furepe Falls Icefall
Wildlife
Galápagos Blue-Footed Booby Courtship Dance
Marine
Galápagos Fur Seal Pupping Season
Wildlife
Galápagos Giant Tortoise Hatching Season
Wildlife
Galápagos Green Sea Turtle Nesting Season
Wildlife
Galápagos Marine Iguana Christmas Breeding Colors
Wildlife
Galápagos Penguin Breeding Season
Wildlife
Galapagos Red-footed Booby Nesting on Genovesa Island
Wildlife
Galápagos Sea Lion Pupping Season
Celestial
Galloway Forest Park Milky Way Season
Wildlife
Gambia River Raptor Migration Bottleneck
Wildlife
Gashaka-Gumti Dry-Season Wildlife Congregation
Celestial
Gegenschein
Celestial
Geminid Meteor Shower
Wildlife
Genji Fireflies
Biological
Genovesa Island Frigatebird Courtship Display
Geological
Geothermal Hot-Spring Beaches
Botanical
Ghost Orchid Bloom
Wildlife
Giant Amazon River Turtle mass nesting
Wildlife
Giant Coot Nesting Season at Lake Junín
Marine
Giant Cuttlefish Aggregation - Whyalla
Wildlife
Giant Ibis breeding display (Tmatboey)
Wildlife
Giant Otter Family Season
Wildlife
Giant Sable Antelope (Cangandala)
Wildlife
Giant Spider Crab Congregation (Port Phillip Bay)
Marine
Gippsland Lakes Bioluminescence (Noctiluca)
Wildlife
Gir Asiatic Lion Mating Season
Wildlife
Giraffe-necked weevil leaf-rolling
Geological
Glacier Calving at Jökulsárlón
Marine
Gladden Spit Whale Shark Full-Moon Aggregation
Marine
Glass Eel (Elver) Spring Run — Maine, USA
Wildlife
Glenorchy Glowworm Grotto
Wildlife
Gobi Khulan (Mongolian wild ass) rutting congregation
Geological
Gobustan Mud Volcano Eruptions
Marine
Golden Jellyfish Swarm (Jellyfish Lake, Ongeiml Tketau)
Wildlife
Golden Rocket Frog (Kaieteur Falls)
Marine
Golfo Dulce Permanently Bioluminescent Bay
Marine
Goliath Grouper Spawning Aggregations (Jupiter, Florida)
Wildlife
Gomantong Cave Bat and Swiftlet Exodus
Wildlife
Gorongosa wildebeest recovery congregation
Geological
Goseong Dinosaur Footprints
Wildlife
Gourma Desert Elephants
Wildlife
Gran Chaco dry-season peccary congregations
Atmospheric
Grand Canyon Total Cloud Inversion
Wildlife
Grand Cayman Blue Iguana Breeding Display
Wildlife
Grand Isle Spring Migratory Bird Fallout
Geological
Grand Prismatic Spring (Midway Geyser Basin)
Marine
Grande Riviere Leatherback Turtle Mass Nesting
Wildlife
Grandfather Mountain Blue Ghost & Synchronous Fireflies
Botanical
Grandidiers Baobab Night Flowering, Morondava
Marine
Gray Whale Migration
Geological
Great Blue Hole
Wildlife
Great Green Macaw Post-Breeding Mountain Migration
Geological
Great Lakes Ice Volcanoes
Wildlife
Great Salt Lake Phalarope Staging
Botanical
Great Salt Lake Pink Algae Bloom
Biological
Great Wildebeest Migration
Wildlife
Greater Prairie-Chicken Booming Grounds (Kansas)
Atmospheric
Green Flash at Sunset
Geological
Green Sand Beaches
Wildlife
Green Turtle Hatching in Fernando de Noronha
Wildlife
Green Turtle Nesting Season
Wildlife
Grumeti River Wildebeest Crossing
Marine
Grunion Runs
Geological
Gruta Azul Light Beam
Wildlife
Guanaco Rutting Season
Marine
Gulf of Corcovado Blue Whale Feeding Season
Wildlife
Gun-Galuut Demoiselle Crane Staging
Botanical
Gunung Gading Rafflesia Bloom
Botanical
Gwangyang Maehwa Plum Bloom
Atmospheric
Ha Long Bay Sea Fog
Botanical
Hachiku Bamboo Mass Flowering and Die-off
Geological
Hachimantai Dragon Eye
Weather
Hailuoto ice road opening season
Weather
Hair Ice
Weather
Hakkoda Snow Monsters (Juhyo)
Marine
Hallaniyat Islands Whale Shark Season
Botanical
Hallerbos Bluebell Carpet
Botanical
Hanaikada Cherry Blossom Rafts (Hirosaki)
Geological
Hannoki Falls Spring Snowmelt
Marine
Harp Seal Pupping, Gulf of St. Lawrence
Marine
Hawaiian spinner dolphin dawn congregation
Wildlife
Hawar Islands Socotra Cormorant Colony
Wildlife
Hawk Mountain Autumn Raptor Migration
Marine
Head of the Bight Southern Right Whale Nursery
Geological
Helheim Glacier Calving Peak
Wildlife
Hemis Snow Leopard Winter Tracking
Marine
Hermanus Southern Right Whale Calving Season
Marine
Hervey Bay Humpback Whale Breaching
Botanical
Higashimokoto Shibazakura (Pink Moss)
Botanical
Hitachi Kochia Autumn Red Hills
Atmospheric
Hokkaido Diamond Dust
Atmospheric
Hokkaido Square Sun (winter solar mirage)
Atmospheric
Hokkaido Sun Pillars (Light Columns)
Atmospheric
Hokuriku Sea of Japan Winter Lightning
Marine
Holbox Whale Shark Feeding Aggregation
Marine
Hook Head Marine Bioluminescence
Marine
Horizontal Falls Spring Tide Rush
Geological
Hormuz "Rainbow Island"
Wildlife
Hornbill Nesting Season (Sarawak)
Biological
Hornstrandir Arctic Fox Cub Season
Marine
Horseshoe Crab Spawning
Atmospheric
Horsetail Fall Firefall (Yosemite)
Geological
Horsetail Firefall
Geological
Huanglong Five-Color Travertine Pools (Huanglong Scenic Area)
Atmospheric
Huangshan Sea of Clouds
Wildlife
Humboldt Penguin Breeding Season
Wildlife
Humpback Whale Breach - Pacific
Marine
Humpback Whale Migration in Watamu
Marine
Humpback Whales in Okinawa
Botanical
Hunza Apricot Blossom Peak
Marine
Húsavík Summer Whale Feeding Season
Wildlife
Hwange waterhole elephant congregation
Botanical
Hwangmaesan Royal Azalea Bloom
Biological
Hyōko Whooper Swan Migration
Wildlife
Iberá Wetlands Marsh Bird Breeding Season
Geological
Ice shove (ice surge / ice tsunami)
Marine
Iceberg Alley (Newfoundland)
Botanical
Iceland Lupine Bloom
Botanical
Icho Namiki Ginkgo Gold (Tokyo)
Wildlife
Idanre Hills Bat Caves
Atmospheric
Iguazu Falls Full-Moon Rainbow (Moonbow)
Marine
Île Sainte-Marie Humpback Whale Nursery
Geological
Ilulissat Icefjord Iceberg Jam
Wildlife
Indawgyi Lake Wintering Waterbirds
Marine
Indian River Lagoon Bioluminescence
Celestial
Iriomote Milky Way (Galactic Core Viewing)
Atmospheric
Isaribi Light Pillars (Mikuriya Port)
Marine
Ishigaki Manta Ray Season
Wildlife
Ishino-yu Firefly Forest
Botanical
Iskanderkul Lake autumn colors
Marine
Isla Holbox Bioluminescent Plankton
Marine
Isla Mujeres Sailfish Baitball Hunts
Biological
Islay Wintering Geese (Loch Gruinart)
Marine
Isle of Mull Minke Whale Season
Botanical
Isles of Scilly Narcissus Bloom
Wildlife
Iwokrama Harpy Eagle Nesting
Botanical
Izu Oshima Camellia Bloom
Wildlife
Izumi Crane Wintering Grounds
Biological
Izunuma Magan Goose Dawn Liftoff
Wildlife
Jabiru Stork Nesting Colonies
Botanical
Jacaranda Purple Canopy
Botanical
Jalapão Golden Grass Bloom
Wildlife
Japanese Giant Salamander Breeding
Botanical
Japanese Maple Autumn Colors - Kyoto
Wildlife
Japanese Rock Ptarmigan (Raicho)
Wildlife
Jasper-Pulaski Sandhill Crane Staging
Botanical
Jeju Canola Flower Sea
Botanical
Jerte Valley Cherry Blossom Carpet
Marine
Jervis Bay Sea Sparkle (Bioluminescence)
Wildlife
Jigokudani Snow Monkeys
Marine
Jindo Sea Parting (Sinbi-ui Badatgil)
Botanical
Jiuzhaigou Autumn Color Transformation
Geological
Jökulsárlón Iceberg Turnover (Storm Season)
Wildlife
Jorbeer Vulture Congregation
Biological
Kabushima Black-tailed Gull Breeding Colony
Botanical
Kadupul Flower Bloom
Wildlife
Kahuzi-Biega Grauer's Gorilla congregation
Wildlife
Kalloni Gulf Flamingos
Wildlife
Kamchatka sockeye salmon spawning run
Wildlife
Kampi Irrawaddy dolphin cooperative fishing
Biological
Kasanka Fruit Bat Mass Migration
Marine
Kasaoka Bay Tri-spine Horseshoe Crab Spawning
Botanical
Kashmir Tulip Garden Bloom
Botanical
Katakuri (Dogtooth Violet) Forest Carpet
Biological
Katavi Hippo Pool Congregation
Geological
Kati Thanda-Lake Eyre Flooding (Inland Sea)
Geological
Katla Ice Cave (Kötlujökull)
Geological
Kavachi Submarine Volcano
Botanical
Kawazu Zakura Early Cherry Blossoms
Biological
Kaziranga elephant river crossing (flood retreat)
Wildlife
Kaziranga one-horned rhino grassland peak
Wildlife
Kekoldi Raptor Migration
Geological
Kelimutu Tri-Color Crater Lakes
Geological
Kelso Dunes Booming Sand
Atmospheric
Kelvin-Helmholtz wave clouds
Astronomical
Kerry International Dark-Sky Reserve - Milky Way
Biological
Khao Chong Pran Cave Evening Bat Exodus
Botanical
Khao Sok Rafflesia Bloom
Wildlife
Khao Yai hornbill nesting season
Wildlife
Khustain Nuruu Przewalski Horse Foaling Season
Celestial
Kielder Forest Zodiacal Light
Volcanic
Kīlauea Episodic Lava Fountaining
Geological
Kilauea Lava Flows
Atmospheric
Kilimanjaro Ice Cap Alpenglow
Wildlife
Kinabatangan Christmas-Tree Fireflies
Wildlife
Kinabatangan Riverside Proboscis Monkey Congregation
Botanical
Kinchakuda Red Spider Lily Festival
Biological
King Penguin Chick Creche at St Andrews Bay
Wildlife
King Penguin Colony in Tierra del Fuego
Botanical
King Protea (Protea cynaroides) Bloom
Botanical
Kirifuri Plateau Nikko-kisuge Daylily Bloom
Wildlife
Kirindy fat-tailed dwarf lemur awakening
Biological
Komodo Dragon Mating Season
Marine
Kona Manta Ray Night Dive
Botanical
Kosciuszko Alpine Wildflower Bloom
Wildlife
Koshi Tappu migratory waterfowl congregation
Geological
Kotohikihama Singing Sand
Wildlife
Kruger Dry-Season Waterhole Congregation
Wildlife
Kuala Selangor Synchronous Fireflies
Marine
Kuchinoshima Spotted Eagle Ray Schooling
Weather
Kushiro River Lotus-Leaf Ice (Renban Koori)
Marine
Kyparissia Bay Loggerhead Nesting
Marine
La Flor Olive Ridley Arribada
Wildlife
La Moskitia Scarlet Macaw Nesting
Wildlife
Labord's chameleon synchronous hatching (Kirindy)
Botanical
Ladakh Apricot Blossom Peak
Wildlife
Ladybug Overwintering Aggregations (Loon Lake, BC)
Wildlife
Laguna Brava Flamingo Spring Arrival
Wildlife
Lake Abijatta Flamingo Mega-Congregation
Weather
Lake Akan Shimo-no-hana (Frost Flowers)
Geological
Lake Baikal Ice Caves (Olkhon Island)
Geological
Lake Baikal Ice Rings
Geological
Lake Baikal Methane Bubble Ice
Wildlife
Lake Baikal nerpa (Baikal seal) pupping
Wildlife
Lake Bogoria Flamingo Pink Surge
Geological
Lake Cerknica — The Vanishing Lake
Wildlife
Lake Erie Mayfly Hatch
Geological
Lake Hillier
Biological
Lake Hornborga Common Crane Spring Dance
Geological
Lake Kaindy Sunken Forest
Wildlife
Lake Kerkini Dalmatian Pelican Nesting Mega-Colony
Wildlife
Lake Kerkini Flamingos
Wildlife
Lake Kerkini Flamingos (Serres)
Wildlife
Lake Kussharo Whooper Swans
Wildlife
Lake Kutubu Rainbowfish Spawning
Biological
Lake Macquarie Spider Ballooning Sky Snowstorm
Wildlife
Lake Malawi Kungu Fly Towers
Wildlife
Lake Manyara Flamingo Congregation
Wildlife
Lake Manyara Tree-Climbing Lions
Wildlife
Lake Mattamuskeet Tundra Swan & Snow Goose Winter Congregation
Biological
Lake Murray Purple Martin Mega-Roost
Wildlife
Lake Mývatn Midge Snowstorms
Wildlife
Lake Naivasha Hippo Congregation
Wildlife
Lake Nakuru Flamingo Mega Congregation
Geological
Lake Nukabira Ice Bubbles
Geological
Lake Retba (Lac Rose) Pink Lake
Geological
Lake Sarez & the Usoi Dam
Botanical
Lake Tekapo Lupin Bloom
Wildlife
Lake Tuz flamingo breeding colony
Wildlife
Lake Victoria lakefly swarms
Biological
Lake Winnebago Lake Fly Hatch
Geological
Lakes of Ounianga
Biological
Látrabjarg Bird Cliffs Breeding Season
Botanical
Lavender Fields - Provence
Marine
Layang-Layang Hammerhead Shark Aggregation
Biological
Laysan Albatross Courtship Dance (Midway Atoll)
Wildlife
Leatherback Turtle Nesting in Tortuguero
Geological
Lençóis Maranhenses Seasonal Lagoons
Celestial
Leonid Meteor Shower
Biological
Lesser Flamingo Chick Hatch (Lake Natron)
Biological
Little Skellig Gannet Mega-Colony
Wildlife
Liuwa Plain Wildebeest Migration
Wildlife
Llanos Dry Season Wildlife Mega Concentration
Wildlife
Loess Bluffs Snow Goose Migration
Marine
Lofoten Skrei (Atlantic Cod) Spawning Run
Geological
Lófthellir Ice Cave (lava tube)
Biological
Loire Valley Sand Martin Bank Nesting Swarms
Wildlife
Long-tailed Ground-roller breeding display (Ifaty / Mikea Forest)
Wildlife
Lonjsko Polje White Stork Nesting Colony
Biological
Lord Howe Island shearwater fledgling fallout
Wildlife
Lowland streaked tenrec emergence (Andasibe)
Marine
Luminous Lagoon (Glistening Waters) Bioluminescence
Atmospheric
Lunar Halo
Botanical
Luoping Canola Flower Sea
Celestial
Lyrid Meteor Shower
Astronomical
Lyrid Meteor Shower over Gokyo (Sagarmatha)
Marine
Mabua Golden Jellyfish Swarm
Wildlife
Macaw Clay Lick Dawn Swarms (Peru)
Botanical
Machair Wildflower Bloom
Marine
Mackenzie Delta Spring Ice Breakup
Biological
Macquarie Island Royal Penguin Breeding Colony
Wildlife
Madagascar endemic bird breeding season
Botanical
Madagascar Orchid Explosion (eastern rainforests)
Wildlife
Makgadikgadi Flamingo Breeding Season
Wildlife
Makgadikgadi Meerkat Sunrise Warming
Biological
Makgadikgadi Zebra Migration
Marine
Malapascua Thresher Shark Dawn Aggregation
Botanical
Mallorca Almond Blossom Carpet
Atmospheric
Mammatus clouds (post-severe-storm mamma)
Wildlife
Mammoth Cave Bat Emergence
Wildlife
Manatee Aggregation - Florida Springs
Botanical
Mangystau Boszhira Chalk Cliffs Spring Bloom
Celestial
Manhattanhenge (sunset street alignment)
Biological
Manta Ray Feeding Frenzy
Marine
Manta Ray Mass Feeding (Hanifaru Bay, Baa Atoll)
Wildlife
Manu Cock-of-the-Rock Lek Display
Biological
Manutara (Sooty Tern) Arrival, Rapa Nui
Biological
Maolin Purple Crow Butterfly Overwintering
Geological
Mapu'a 'a Vaea Blowholes
Biological
Mara River Wildebeest Crossings
Geological
Marble Caves (Capillas de Mármol), Lago General Carrera
Atmospheric
Marfa Mystery Lights
Volcanic
Masaya Volcano Lava Lake Glow
Geological
Matanuska Glacier blue ice caves
Marine
Matsu Blue Tears Bioluminescence
Marine
Maui Humpback Whale Competitive Pods
Geological
Mauritius Underwater Waterfall Illusion
Biological
Mayfly Emergence
Wildlife
Mayfly Hatch on English Chalkstreams
Biological
McNeil River Brown Bear Falls Concentration
Geological
Medano Creek Surge
Botanical
Meigetsuin Hydrangea Sea (Kamakura)
Marine
Menai Strait Swellies Spring Tide Race
Geological
Mendenhall Glacier Ice Caves
Celestial
Mercury Transits
Wildlife
Mesopotamian Marshes Winter Birds
Celestial
Midnight Sun (Iceland)
Celestial
Midnight Sun (Utsjoki)
Botanical
Mifuneyama Rakuen Azalea Spring
Marine
Mikurajima Wild Dolphin Swim
Celestial
Milky Way — Galactic Core Season
Celestial
Milky Way Galactic Core (Sagittarius A*)
Marine
Milne Bay Manta Ray Aggregation
Botanical
Mimuroto-ji Hydrangea Hills
Biological
Minneriya Elephant Gathering
Marine
Misool Coral Mass Spawning
Geological
Misotsuchi Icicles
Wildlife
Mississippi Sandhill Crane
Botanical
Mito Kairakuen Plum Blossoms
Biological
Miyakejima Streaked Shearwater Breeding Colony
Botanical
Miyamakirishima Azalea Bloom
Botanical
Mizubasho at Oze (Ozegahara / Ozenuma)
Marine
Moalboal Sardine Run (Baitball Whirlpool)
Wildlife
Mobula Ray Aggregation - Baja California
Marine
Mon Repos Loggerhead Turtle Nesting and Hatchlings
Wildlife
Monarch Butterfly Migration (Mexico)
Geological
Mono Lake Tufa Towers
Atmospheric
Mont Blanc Alpenglow (Chamonix)
Marine
Mont-Saint-Michel Grandes Marées (Super-tides)
Marine
Monterey Bay Market Squid Spawn and Egg Beds
Marine
Monterey Bay Sea Sparkle Bioluminescence
Biological
Monteverde Resplendent Quetzal Nesting Window
Atmospheric
Moonbow at Cumberland Falls
Marine
Moray Firth Bottlenose Dolphin Season
Atmospheric
Moriyoshi Snow Monsters (Juhyo)
Biological
Mormon Cricket Migrations
Atmospheric
Morning Glory Clouds
Geological
Mount Bromo Sea of Sand Sunrise
Geological
Mount Etna Paroxysm Lava Fountain Episodes
Weather
Mount Fuji First Snowcap (Hatsuyuki)
Botanical
Mount Rainier Subalpine Wildflower Meadows
Atmospheric
Mount Shasta lenticular cloud stacks
Geological
Mount Yasur Strombolian Eruptions
Botanical
Mount Yoshino Senbonzakura Bloom
Botanical
Mountain Avens Bloom (Upper Teesdale)
Biological
Muju Firefly Mass Swarm
Atmospheric
Nacreous Clouds (Polar Stratospheric)
Atmospheric
Naena Falls Moonbow
Atmospheric
Naga Fireballs (Mekong)
Marine
Nagabeta Kaishoro Tidal Road
Atmospheric
Nagarkot sea of clouds (temperature-inversion) mornings
Botanical
Namaqualand Wildflower Bloom - South Africa
Marine
Nami-no-hana (Wave Flowers) of Noto and Tojinbo
Geological
Namibian Fairy Circles
Biological
Nanacamilpa Firefly Sanctuary Mass Glow
Biological
Nara Park Shikadamari (Summer Deer Huddle)
Marine
Naruto Whirlpools
Marine
Narwhal Summer Congregations (Tremblay Sound)
Marine
Nassau Grouper Spawning Aggregations (Grouper Moon)
Marine
Nazaré Giant Waves (Praia do Norte)
Botanical
Neelakurinji Mass Bloom
Botanical
Nemophila Bloom at Hitachi Seaside Park
Marine
New Caledonia Lagoon Humpbacks
Botanical
New Forest Autumn Fungi
Wildlife
New Forest Glowworm Mating Glow
Wildlife
New Forest Purple Emperor Butterfly Flight Window
Wildlife
Ngorongoro Crater Predator-Prey Concentration
Atmospheric
Niagara Falls Moonbow
Wildlife
Nile Crocodile Nesting in the Rufiji River
Marine
Ningaloo Coral Mass Spawning
Marine
Ningaloo Humpback Whale Coastal Season
Marine
Ningaloo Whale Shark Season
Atmospheric
Noctilucent Clouds
Atmospheric
Noctilucent Clouds (Cairngorms)
Atmospheric
Noctilucent Clouds (Schleswig-Holstein)
Botanical
Nomura's Jellyfish Bloom
Wildlife
Norfolk Broads Swallowtail
Wildlife
Norfolk Broads Swallowtail Butterfly Flight Window
Wildlife
Norfolk Wash Pink-footed Goose Dawn Liftoff
Marine
North Atlantic Right Whale Calving Ground
Botanical
North York Moors Heather Bloom
Celestial
Northern Taurids Fireball Season
Marine
Norwegian Fjord Sea Sparkle (Morild)
Marine
Notoro Lake Sango Grass Red Carpet
Marine
Nuquí Humpback Whale Mother-Calf Congregation
Marine
Nusa Penida Mola Mola Cold-Water Season
Geological
Nyiragongo Lava Lake Glow
Biological
Ochi Ayu Sweetfish Spawning Run
Marine
Ogasawara Humpback Whale Season
Marine
Ogasawara Sperm Whale Season
Biological
Okavango Delta Carmine Bee-eater Nesting Cliffs
Wildlife
Okavango Delta Painted Dog Denning Season
Geological
Okavango Delta Peak Flood Inundation
Geological
Okhotsk Drift Ice
Marine
Okinawa Coral Spawning
Marine
Okoshiki Coast Tidal Sand Art
Volcanic
Ol Doinyo Lengai Carbonatite Eruptions
Marine
Old Sow Whirlpool
Marine
Olive Ridley Arribada - Gahirmatha
Botanical
Omani frankincense (Boswellia sacra) - resin weeping season
Weather
Omiwatari (Lake Suwa Ice Ridge)
Wildlife
Orinoco Arrau Turtle Mass Nesting
Wildlife
Orinoco Crocodile Nesting Season
Celestial
Orionid Meteor Shower
Biological
Orizumedake Himebotaru Fireflies
Marine
Osa Peninsula Whale Shark Encounters
Wildlife
Ostional Olive Ridley Arribada
Biological
Otowa Bridge Tancho Crane Sunrise Roost
Botanical
Oze Mizubasho (Skunk Cabbage) Bloom
Volcanic
Pacaya Volcano Lava Flows
Marine
Pacific Herring Spawn (kuki milky sea)
Botanical
Painted Hills wildflower bloom
Biological
Painted Lady Butterfly Migration
Marine
Palau Bumphead Parrotfish Mega-Spawn
Marine
Palolo Worm Swarms (Upolu, Samoa)
Geological
Pamukkale Travertine Terraces (mineral flow)
Wildlife
Pangti Amur Falcon Roost
Botanical
Panjin Red Beach (Seepweed)
Wildlife
Pantanal Dry Season Wildlife Concentration
Wildlife
Pantanal Giant Anteater Foraging Season
Wildlife
Pantanal Giant Otter Denning Season
Wildlife
Pantanal Hyacinth Macaw Nesting Season
Wildlife
Pantanal Jabiru (Tuiuiú) Nesting
Biological
Pantanal Jaguar Riverbank Concentrations
Wildlife
Pantanal Jaguar Season
Wildlife
Pantanal Piracema Fish Spawning Migration
Wildlife
Pantanal yacare caiman mega-congregation
Marine
Paracas Bioluminescent Red Tide Waves
Marine
Passage du Gois Tidal Road Submersion
Marine
Patagonian Dolphin Shore Feeding
Wildlife
Pekelmeer Flamingo Nesting (Bonaire)
Biological
Penguin Parade - Phillip Island
Marine
Peninsula Valdes Orca Stranding Hunt
Geological
Penitentes (snow spires)
Marine
Pentland Firth Tidal Race (Caithness)
Wildlife
Periodical Cicada Brood II Emergence
Biological
Periodical Cicada Brood V Mass Emergence
Biological
Periodical Cicada Brood XIV Mass Emergence
Wildlife
Periodical Cicada Brood XIX Emergence (Tennessee)
Biological
Periodical Cicada, Brood XIII (Illinois emergence)
Geological
Perito Moreno Ice Bridge Rupture
Celestial
Perseid Meteor Shower
Marine
Perth Canyon Blue Whale Season
Marine
Peruvian Anchoveta Upwelling Feeding Frenzy
Marine
Petitcodiac River Tidal Bore
Marine
Phú Quốc Bioluminescent Plankton
Marine
Piedras Blancas Elephant Seal Molt
Biological
Pinnacles California Condor Fledging Window
Biological
Pismo Beach Monarch Overwintering Groves
Wildlife
Pitlochry Salmon Run (Fish Ladder)
Volcanic
Piton de la Fournaise eruptions
Celestial
Planetary Conjunctions
Weather
Plant Frost-Ribbons (Crystallofolia)
Botanical
Plitvice Lakes tufa waterfalls with autumn colors
Wildlife
Point Reyes Ladybug Winter Aggregations
Marine
Pongara Leatherback Mass Nesting
Volcanic
Popocatépetl Eruption Glow
Biological
Porcupine Caribou Herd Spring Migration and Calving
Marine
Pororoca (Amazon tidal bore)
Biological
Poyang Lake Siberian Crane Winter Roost
Atmospheric
Preikestolen (Pulpit Rock) Fog Inversion
Wildlife
Prek Toal Waterbird Colony
Geological
Presumpscot River Rotating Ice Disk
Wildlife
Puerto Princesa Mangrove Firefly River Glow
Marine
Puerto Rico Bioluminescent Bays
Wildlife
Puma Tracking in Torres del Paine
Geological
Punakaiki (Pancake Rocks) Blowholes
Biological
Punta Tombo Magellanic Penguin Colony
Wildlife
Purbeck Heaths Emperor Dragonfly Emergence
Geological
Purnululu Wet-Season Waterfalls (Scenic Flights)
Marine
Qiantang River Tidal Bore (Haining)
Wildlife
Qinghai Lake (Niaodao) breeding season
Celestial
Quadrantid Meteor Shower
Wildlife
Raggiana Bird-of-paradise Courtship Display
Botanical
Rainbow Eucalyptus Bark Peeling
Wildlife
Rajah Brooke's Birdwing puddling aggregations
Wildlife
Ramsey Island Manx Shearwater Fledgling Exodus
Biological
Rann of Kutch Flamingo Nesting
Botanical
Ranomafana Bioluminescent Fungi Night Glow
Wildlife
Ranomafana Comet Moth Emergence
Biological
Ranthambore tiger waterhole peak
Biological
Raptor Migration - Veracruz River of Raptors
Marine
Rarotonga Humpback Migration
Marine
Ras Al Jinz green turtle nesting
Biological
Rebun Island Alpine Flowers
Biological
Red Deer Rut, Scottish Highlands
Marine
Red Sea Whale Shark Aggregation (Saudi Arabia)
Atmospheric
Red Sprites (Upper-Atmosphere Lightning)
Wildlife
Red-Eyed Tree Frog Mass Breeding
Wildlife
Red-sided Garter Snake Mating Balls
Marine
Reversing Falls Tidal Rapids
Volcanic
Reykjanes Peninsula Eruptions
Geological
Reykjanes Svartsengi fissure eruption episodes
Biological
Ria Formosa Flamingo Winter Flocks
Biological
Richmond Park fallow deer rut
Atmospheric
Riisitunturi Tykky (snow-crowned trees)
Botanical
River Wye Ramsons Carpet
Wildlife
Rocky Mountain Bighorn Sheep Rut (Colorado)
Botanical
Rocky Shoals Spider Lily Bloom
Wildlife
Roosevelt elk rut - Hoh Rainforest, Olympic National Park
Geological
Roraima Tepui Rainy Season Waterfalls
Geological
Rub' al Khali barchan dune migration
Wildlife
Rutland Water Starling Murmuration
Biological
Sado Toki (Crested Ibis) Viewing Season
Botanical
Sagaribana Night Bloom (Iriomote)
Biological
Sage Grouse Lekking
Botanical
Saguaro Cactus Mass Bloom
Atmospheric
Saharan Harmattan Dust Veil
Biological
Saiga Antelope Mass Calving
Geological
Sailing Stones (Racetrack Playa)
Marine
Saimaa ringed seal pupping
Botanical
Sakura Fubuki (Cherry Blossom Petal Blizzard)
Biological
Sakura Shrimp Swarms
Geological
Sakurajima Volcanic Lightning
Botanical
Sakuranotaki Cherry Salmon Jump
Weather
Salalah Khareef (Dhofar Monsoon) - Green Bloom
Wildlife
Salar de Atacama Flamingo Summer Congregation
Geological
Salar de Coipasa Mirror Season
Geological
Salar de Uyuni Mirror Effect
Wildlife
Salinas y Aguada Blanca Flamingo Congregation
Biological
Salmon Run - Bristol Bay
Wildlife
Salmonfly Hatch (Madison River)
Geological
Saltstraumen Maelstrom - Norway
Wildlife
San Gerardo de Dota quetzal nesting
Marine
San Ignacio Lagoon Gray Whale Mother-Calf Congregation
Biological
San Juan Capistrano Swallows Return
Biological
Sandhill Crane Migration - Platte River
Marine
Santa Cruz Bioluminescent Red Tide Waves
Wildlife
Sapporo Urban Salmon Run
Biological
Sardine Run South Africa
Wildlife
Sardinia Pink Flamingo Winter Congregation
Wildlife
Savo Island Megapode Egg Fields
Wildlife
Savuti Marsh elephant bull congregation
Wildlife
Scarlet Ibis Breeding Rookery in the Llanos
Wildlife
Scarlet Macaw Evening Roost Flight
Marine
Sea Firefly (Umi-hotaru) Swarms
Marine
Sea of Cortez Blue Whales (Loreto)
Marine
Sea Sparkle (Coastal Bioluminescence)
Biological
Sea Turtle Arribada
Biological
Sea Turtle Nesting - Florida
Marine
Seal Island Great White Shark Breaching (False Bay)
Marine
Selayar Islands Whale Shark Feeding Aggregation
Volcanic
Semeru Frequent Ash Eruptions
Botanical
Sengokuhara Susuki Grass Fields
Wildlife
Sepilok orangutan durian fruiting season
Weather
Shelf Cloud (Arcus)
Wildlife
Shennongjia golden snub-nosed monkey troops
Marine
Shetland Orca Summer Season
Atmospheric
Shiranui Sea Ghost Lights
Biological
Shiretoko Brown Bears (Salmon Run)
Biological
Shiretoko Rausu Orca Season
Marine
Shodoshima Angel Road (tidal sandbar)
Biological
Short-tailed Albatross Breeding
Biological
Short-tailed Shearwater (Muttonbird) Return
Botanical
Shuusenko Submerged Forest
Biological
Simien Gelada Mating Chorus
Botanical
Simien Mountains giant lobelia bloom
Marine
Sipadan Barracuda Tornado
Marine
Sipadan Green Turtle Hatchling Emergence
Marine
Sitka Sound Herring Spawn
Geological
Siwa Salt Lake Sunrise Crystal Glow
Biological
Skagit River Bald Eagle Concentration
Wildlife
Skagit Valley Snow Goose Blastoff
Wildlife
Skeleton Coast Cape Fur Seal Colony
Botanical
Skeleton Flower Bloom (Sankayō)
Wildlife
Skellig Michael Atlantic Puffin Colony
Marine
Skjervøy Herring Spawn and Orca Feeding
Marine
Skookumchuck Narrows Tidal Rapids
Marine
Snaefellsnes Orcas (herring season)
Wildlife
Snettisham Knot Whirling
Biological
Snow Goose Migration - Bosque del Apache
Botanical
Snowdonia Bog Cotton (cotton-grass) Plumes
Botanical
Socotra Desert Rose & Bottle Trees
Botanical
Socotra Dragons Blood Tree Bloom
Biological
Soldier Crab Army Emergence
Biological
Solway Firth Barnacle Geese Wintering
Atmospheric
Sonoran Haboob Dust Storms
Geological
Soomaa Fifth Season Flood
Geological
Sossusvlei Red Dune Sunrise Shadow Play
Botanical
South Downs Early Spider-Orchid Bloom
Biological
South Luangwa Carmine Bee-eater Nesting Cliffs
Wildlife
South Luangwa Leopard Congregation
Wildlife
Southern Elephant Seal Breeding Season
Marine
Southern Right Whale Nursery
Marine
Southern Right Whale Season in Puerto Madryn
Celestial
Southern Taurids Fireball Season
Wildlife
Spectacled Bear Aguacatillo Season
Geological
Spotted Lake (Kłliluk)
Wildlife
St Abb's Head Kittiwake Colony
Marine
St Ives Bay Sea Sparkle (Bioluminescence)
Wildlife
St Kilda Gannet Mega-Colony
Celestial
Staircase to the Moon (Broome)
Biological
Starling Murmurations
Biological
Steeple Jason Black-browed Albatross Mega-colony
Marine
Steller Sea Lion Winter Haulouts
Biological
Steller's Sea Eagles in Rausu
Atmospheric
STEVE (Strong Thermal Emission Velocity Enhancement)
Marine
Storfjorden Polynya
Biological
Strait of Messina raptor migration
Volcanic
Stromboli nighttime eruption glow
Botanical
Sturt's Desert Pea Bloom
Atmospheric
Sun Dogs (Parhelia)
Atmospheric
Sun Halo (22° Ring)
Wildlife
Sundarbans Royal Bengal Tiger - Monsoon Swimming
Weather
Supercell Thunderstorm Structure (Mesocyclone)
Celestial
Supermoon
Wildlife
Synchronous Fireflies (Great Smoky Mountains)
Geological
Taal volcanic lightning
Volcanic
Taal Volcano phreatic steam-plume activity
Atmospheric
Table Mountain tablecloth
Atmospheric
Table Mountain Tablecloth Cloud
Botanical
Tahina Suicide Palm Flowering
Marine
Takeno Beach Bioluminescent Plankton
Botanical
Talay Bua Daeng (Red Lotus Sea)
Biological
Tambopata Macaw Clay Licks
Optics
Tanbo Fuji (Rice Paddy Reflection of Mount Fuji)
Biological
Tancho Crane Courtship Dance
Biological
Tarantula Migration
Wildlife
Tari Gap Birds-of-Paradise
Marine
Tasmania Sea Sparkle (Bioluminescence)
Astronomical
Tatacoa Desert Galactic Core Viewing
Geological
Tateyama Snow Wall
Celestial
Taurid Meteor Shower
Wildlife
Te Anau Glowworm Caves
Botanical
Teide Tajinaste rojo mass bloom
Geological
Tengchong Volcanic Hot Sea (Rehai)
Wildlife
Tengiz Northernmost Flamingo Colony
Biological
Teuri Island Seabird Colonies
Botanical
Texas bluebonnet superbloom
Geological
Thor's Well: King Tide Eruptions
Wildlife
Tibetan Antelope Migration (Hoh Xil, Qinghai)
Geological
Tidal Bores - Severn & Bay of Fundy
Botanical
Tierra del Fuego Autumn Beech Forest Colors
Botanical
Tinjure-Milke-Jaljale Rhododendron Bloom (TMJ)
Biological
Tisza River Mayfly Mass Hatch (tiszavirág)
Wildlife
Tītī (Muttonbird) harvest, Rakiura
Botanical
Tohono Chul Night-Blooming Cereus Mass Bloom
Atmospheric
Tokachi Unryu - Dragon River Mist
Botanical
Tonami Tulip Mega Bloom
Atmospheric
Torres del Paine Lenticular Cloud Cap
Celestial
Total Solar Eclipse (Japan 2035)
Celestial
Total Solar Eclipse 2026 (Spain/Iceland)
Celestial
Total Solar Eclipse 2033 (Alaska)
Atmospheric
Toyama Bay Shinkiro Mirage
Geological
Toyokoro Jewel Ice
Geological
Transient Cloudburst Waterfalls
Marine
Trincomalee Blue Whale Season
Geological
Trolltunga (Troll's Tongue) Seasonal Access
Marine
Tromsø Humpback and Orca Fjord Feast
Geological
Truso Valley Travertines
Wildlife
Tsavo Red Elephant Waterhole Congregation
Geological
Tsingy de Bemaraha Stone Forest
Marine
Tubbataha Coral Mass Spawning
Wildlife
Tule Elk Rut at Point Reyes
Botanical
Tulip Season - Netherlands
Marine
Turnagain Arm Bore Tide
Marine
Turneffe Atoll Cubera Snapper Spawning Aggregation
Botanical
Turning of the Fagus (Tasmania)
Biological
UK Atlantic Puffin Breeding Season
Biological
UK Grey Seal Pupping Season
Geological
Uluru Waterfalls After Rain
Geological
Upper Antelope Canyon Sunbeam Season
Celestial
Ursid Meteor Shower
Marine
Utila Whale Shark Season
Wildlife
Uvita Humpback Whale Double Migration
Marine
Vaadhoo Sea of Stars (bioluminescent plankton)
Wildlife
Valdes Sea Lion Pupping Season
Botanical
Valley of Flowers Alpine Superbloom
Wildlife
Valley of the Butterflies (Petaloudes, Rhodes)
Marine
Vancouver Island Herring Spawn
Geological
Vashlovani Badlands & Mud Volcanoes
Geological
Vatnajökull Crystal Ice Caves
Marine
Vava'u Humpback Whale Season
Biological
Vermont Spotted Salamander Big Night
Biological
Vestmannaeyjar Puffling Rescue Season
Atmospheric
Victoria Falls Moonbow
Geological
Victoria Falls peak flow season
Wildlife
Vicuña Mating Season in Pampa Galeras
Volcanic
Villarrica Summit Lava Glow
Wildlife
Virunga Mountain Gorilla Bamboo Season
Marine
Wadden Sea oyster spawning and dispersal
Astronomical
Wadi Rum Milky Way - Galactic Core Season
Wildlife
Waipu Glowworm Caves
Biological
Waitomo Glowworm Caves
Biological
Walrus Haul-out
Botanical
Watermelon Snow (algal bloom)
Weather
Waterspouts
Wildlife
Watoga State Park Synchronous Fireflies
Botanical
Welwitschia Living-Fossil Plains
Marine
West Coast Rock Lobster Walkout
Botanical
West Lake (Hangzhou) lotus bloom
Botanical
Western Australia Wildflower Wave
Biological
Whale Shark Aggregations
Botanical
White Cliffs Sea Thrift Pink Carpet
Geological
White Desert Mushroom Rock Sunrise
Wildlife
Wichita Mountains Bison Calving Season
Biological
Wideawake Fair - Sooty Tern Mass Arrival (Ascension Island)
Geological
Wild Ice & Singing Ice
Biological
Wildebeest Calving Season
Botanical
Wisteria Tunnels - Kawachi Fujien
Wildlife
Wrangel Island polar bear denning
Botanical
Wuyuan Rapeseed Flower Sea
Botanical
Wye Valley Wood Anemone Carpets
Wildlife
Xishuangbanna wild Asian elephant migration
Biological
Yaeyama Himebotaru Firefly Illumination
Biological
Yakushima Sea Turtle Nesting
Botanical
Yakushima Shakunage Rhododendron Bloom
Biological
Yala Leopard Waterhole Viewing
Geological
Yanar Dag Burning Mountain
Geological
Yangykala Canyon Painted Cliffs
Marine
Yap Manta Ray Cleaning Stations
Wildlife
Yellowstone winter wolf-bison predation (Lamar Valley)
Geological
Yolyn Am Gobi Ice Field
Biological
Yonaguni Hammerhead Shark Aggregation
Atmospheric
Yosemite Spring Moonbow
Botanical
Yuanyang Rice Terrace Mirror Reflections
Wildlife
Yucatán Flamingo Colonies (Río Lagartos & Celestún)
Wildlife
Yukimushi (snow bugs)
Botanical
Yumthang Valley Rhododendron Superbloom
Botanical
Yunnan Alpine Rhododendron Bloom
Wildlife
Zagros Mountains Persian leopard territory
Geological
Zao Snow Monsters
Geological
Zhangjiajie Pillar Peaks Cloud Sea
Geological
Zhangye Danxia (Rainbow Mountains)
Celestial
Zodiacal Band
Celestial
Zodiacal Light
Biological
Þjórsárver Arctic Fox - Rodent Boom Season
Geological