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Rhyolite, a ghost town near Beatty, Nevada
The Rapa Valley in Sarek National Park, Sweden
A Soyuz descent module returns to Earth
An infrared image of the Orion Nebula taken by the HAWK-I camera in Chile
Pluto’s north pole
Dust devil trails on the surface of Mars
The International Space Station seen from the space shuttle Endeavour
Full-scale model of the James Webb Space Telescope on display in Austin, Texas
Buzz Aldrin's boot on lunar soil, Apollo 11 mission
Timiderte Kasbah, Draa Valley, Morocco
Cottonwood trees along the Rio Grande in autumn, New Mexico
Village of Gordes, Provence-Alpes-Côte d'Azur, France
Little auks fly past an iceberg at Spitsbergen, Norway
Autumn color on the Mount Ibuki Driveway in Maibara, Shiga, Japan
Lake Pukaki on South Island, New Zealand
Aerial view of the Turpan Depression, China
Precipice Lake in Sequoia National Park, California
Bear Rocks Preserve, West Virginia
Procida Island in the Gulf of Naples, Italy
Vineyards at Rotenberg in Baden-Württemberg, Germany
A sparrowhawk in Kirkcudbright, Scotland
A forest stream in Gwaii Haanas National Park Reserve and Haida Heritage Site, Haida Gwaii, British Columbia, Canada
Independence Hall in Philadelphia, Pennsylvania
Konik horses running, Oostvaardersplassen Nature Reserve, Netherlands
The Thames Estuary and London Array wind farm, England
View from the City Palace, Udaipur, Rajasthan, India
Dogon village in the Bandiagara region of Mali
Castle Point Lighthouse near the village of Castlepoint, North Island of New Zealand
A white stork and chicks nesting in Southwest Alentejo and Vicentine Coast Natural Park, Portugal
George Peabody Library, Baltimore, Maryland
Crail Harbour, Scotland
The Sneffels Range seen from the Dallas Divide in Colorado
Looking up from under the water of a cenote in Dos Ojos, Mexico
Looking up from under the water of a cenote in Dos Ojos, Mexico
Cambridge Gulf and estuary in Western Australia photographed by Landsat 8 satellite
Poenari Castle in the Făgăraș Mountains of Romania
Sea of clouds over Chamonix Valley, France
Golden trevally swim with a whale shark in Cenderawasih Bay, Indonesia
The Painted Hills in Oregon
Botallack Mine in Cornwall, England
Common mare's tail growing on the Tibetan Plateau, China
Bat-eared fox kits in Kgalagadi Transfrontier Park, Botswana
Chulilla, Spain
A tube anemone
Gustav III´s Museum of Antiquities in Stockholm Palace, Sweden
Njegoš' Mausoleum in Lovćen National Park, Montenegro
Part of the Jantar Mantar observatory complex in New Delhi, India
Part of the Jantar Mantar observatory complex in New Delhi, India
Firehole River in Yellowstone National Park, Wyoming
Interstate 10, Atchafalaya Basin, Louisiana
Zlatni Rat on Brač Island, Croatia
Avalanche Creek in Glacier National Park, Montana
Multiple-exposure image of the Kitesurf World Cup in Germany
Caverne du Pont d'Arc at Vallon-Pont-d'Arc, France
Huacachina, Ica Region, Peru
Star trails over Ålesund, Norway
Hulunbuir grasslands, Inner Mongolia, China
Lavender fields of Valensole, Provence, France
Spiral whip coral off the coast of Indonesia
Female nyalas, Kruger National Park, South Africa
View of Mellieħa, Malta
Close-up of a fly on flower stamens
Close-up of a fly on flower stamens
Wilson Peak seen from Alta, a ghost town in Colorado
Village of Reine on Moskenesøya, Norway
Rainbow lorikeets in Werribee, Australia
Agricultural fields in the Monegros Desert near Los Monegros, Spain
The moon rises over Glastonbury Tor, England
Aldabra of the Seychelles in the Indian Ocean
Geladas in Simien Mountains National Park, Ethiopia
The Crescent City Connection bridges in New Orleans, Louisiana
Ferris wheel in the Tuileries Garden in Paris, France
Atlantic ghost crab
Lok Baintan Floating Market on the Martapura River in Indonesia
Sheep in the Peak District National Park of Derbyshire, England
The Milky Way over the Atlantic Ocean
Snails ‘kissing’ in Sambas Regency, Indonesia
White Sands National Monument in New Mexico
Fourth of July celebration on the beach, Outer Banks, North Carolina
Long-tailed tits in Erding, Germany
Ranwu Lake near Rawu, Tibet Autonomous Region, China
A boardwalk in Norddorf on Amrum Island, Germany
Joshua trees in Death Valley, California
The Callanish Stones on the Isle of Lewis, Scotland
Ring-tailed lemurs in the Berenty Reserve of Madagascar
Rotonda di San Lorenzo in Mantua, Italy
Swimmers competing in the 2016 Ironman World Championship triathlon in Kailua-Kona, Hawaii
Mooney Falls in Havasu Canyon, Arizona
Red fox in Denali National Park and Preserve, Alaska
Skateboarding at Venice Beach, California
Playa Roja in Paracas National Reserve, Peru
Aeonium leaf detail
West Caucasian tur father and kid
Þúfa hill in Reykjavik, Iceland
Dragonfly in a heath forest of East Flanders, Belgium
Tour of America's Dairyland racers near Fond du Lac, Wisconsin
A fire department ladder truck in Fresno, California
Oscar Niemeyer International Cultural Centre in Avilés, Spain
Sunset at Dinosaur Provincial Park, Alberta, Canada
The Library of Celsus at Ephesus, near Selçuk, Turkey
Mountaineers on the Balmhorn in the Bernese Alps of Switzerland
Satellite-based graphic showing ocean currents off the Americas
Bluestriped fangblenny in the Indian Ocean
Bluebonnet wildflowers near Llano, Texas
Ponte Sant'Angelo and St. Peter's Basilica in Rome, Italy
Greater flamingos in Walvis Bay, Namibia
Fog over Mount Tamalpais State Park, California
Temple Street Night Market in Yau Ma Tei, Hong Kong
Arlington National Cemetery in Virginia
Puente de Matadero with mural by artist Daniel Canogar in Madrid, Spain
Fern fiddleheads at Valley Falls Park in Vernon, Connecticut
The Pyramids of Meroë in Sudan
The Brooklyn Bridge, New York
White-throated dipper at Tufa Dam, on the River Lathkill in Derbyshire, England
Thunderstorms over Lake Powell, Arizona
Burchell's zebra stallion chasing a rival in Rietvlei Nature Reserve, South Africa
Cyclist in Trondheim, Norway
Paläon Research and Experience Center, Schöningen, Germany
Uinta ground squirrels at Tower Fall Campground in Yellowstone National Park, Wyoming
Porthminster Beach and St. Ives, Cornwall, England
Incense factory in Xinhui District, Jiangmen City, Guangdong Province, China
Cheetah mother and her week-old cub, Maasai Mara National Reserve, Kenya
Sandhill cranes over barley fields near the Alaska Range, Delta Junction, Alaska
Vernal Fall at Yosemite National Park, California
A mountain goat in Glacier National Park, Montana
Ward Charcoal Ovens State Historic Park in Nevada
A female wood duck and ducklings in Arapahoe County, Colorado
Guoliang Tunnel in the Taihang Mountains in Henan Province, China
Greyface moray eels in the Andaman Sea
Henequen agave, Yucatán Peninsula, Mexico
Close-up of the nose of space shuttle Atlantis on exhibit at Kennedy Space Center, Florida
Navagio Beach at Zakynthos, Greece
Cleaning the elephant specimens at the Natural History Museum of Los Angeles County, California
Inside the Kibble Palace at Glasgow Botanic Gardens, Scotland
South Moravian landscape near Kyjov, Czech Republic
Soundsuits by artist Nick Cave at Carriageworks in Sydney, Australia, in 2016
An oak tree seedling
Crepuscular rays over the Saronic Gulf, Greece
Civita di Bagnoregio, Italy
Weaver birds in Queen Elizabeth National Park, Uganda
Main Reading Room of the Library of Congress, Washington, DC
Sol Duc Valley region of Olympic National Park, Washington
Earth seen from space
The Crescent Dunes Solar Energy Project near Tonopah, Nevada
A gray wolf in Yellowstone National Park, Wyoming
Star trails and a bristlecone pine at Bryce Canyon National Park, Utah
Lamplugh Glacier in Glacier Bay National Park and Preserve, Alaska
Myotis bats in Pond Cave, Craters of the Moon National Monument and Preserve, Idaho
Ground nest in the Arctic National Wildlife Refuge, Alaska
A tour of Booth's Amphitheater in Mammoth Cave National Park, Kentucky
Titanic Belfast, a maritime museum in Belfast, Northern Ireland
Monument Valley in Arizona and Utah
Astronaut Terry Virts takes a selfie in space
Stawa Młyny beacon in Świnoujście, Poland
Arctic fox kits on Wrangel Island, Russia
Tulip fields in bloom at Mount Vernon, Washington
Kuha Karuhas pavilion in Phraya Nakhon Cave, Thailand
Fresh and salt waters mix at the Ter River estuary, near L'Estartit, Spain
On the Slovenian side of the Julian Alps
African jacana chick in Chobe National Park, Botswana
The diving gondola on Sellin Pier, Germany
Ice in a lava tube at Lava Beds National Monument, California
A meerkat in its natural environment
‘Spiral Jetty’ at Great Salt Lake, Utah
An elevated trail at Cradle Mountain-Lake Saint Clair National Park in Tasmania, Australia
Palacio de Bellas Artes in Mexico City
Common rosefinch male perching
Dongdaemun Design Plaza in Seoul, South Korea
Pine sapling in burnt heather at Strabrechtse Heide, Netherlands
Springtime near the village of Aínsa-Sobrarbe, Spain
Great crested grebes with chick in Vlaardingen, Netherlands
Storm near Lamar, Colorado
Yinlianzhui Waterfall near Anshun, Guizhou Province, China
Black bear in the Tongass National Forest of Alaska
Equinox at the Salk Institute for Biological Studies, San Diego, California
An ice tunnel inside Matanuska Glacier, Alaska
African wild dogs in Kruger National Park, South Africa
Five Fingers Strand near Malin Head, Ireland
Interior of the Broch of Mousa on Mousa Island, Scotland
Lands End in San Francisco, California
Enhanced image of a cross section of a pine stem
A Holi festival in Washington, DC
A blue-footed booby dives off San Cristóbal Island, Ecuador
Blanchard Springs Caverns in Arkansas
Hveravellir hot spring on Kjölur plateau, Iceland
Svalbard Satellite Station, Svalbard archipelago, Norway
Women suffragists marching down Pennsylvania Avenue on March 3, 1913, Washington, DC
Desert View Watchtower, Grand Canyon National Park, Arizona
Valais Blacknose sheep in Valais, Switzerland
A glasswing butterfly perched on a leaf
Tasman Lake on South Island, New Zealand
A herd of male springboks in the Kalahari region of South Africa
Shiprock in the Navajo Nation of New Mexico
Somme River estuary, France
A member of the Pin Stripe Brass Band plays the trumpet during King's Day festivities in New Orleans, 2015
North American river otters in Yellowstone National Park, Wyoming
View of the Griffith Observatory, Los Angeles, California
Two hoatzins, perched in Brazil
The abandoned village of Houtouwan on Shengshan Island, China
The Opera Ball at the Vienna State Opera, Austria
The fortifications of Kotor, Montenegro
Ice in a crater of the Vastitas Borealis region of Mars
Mount Rushmore in South Dakota
Torronsuo National Park in Finland
Vieste on the Adriatic coast of Italy
Waterfalls in a canyon of Siberia’s Putorana Plateau, Russia
James Turrell’s ‘Twilight Epiphany’ Skyspace at Rice University, Houston, Texas
Elephants crossing Luangwa River, Zambia
Wilson Stump on Yakushima Island, Japan
Hallwylfjellet at Adventdalen, Norway
Upside-down jellyfish in Jardines de la Reina National Park, Cuba
Beach near Tofino, Vancouver Island, Canada
Boardman Tree Farm in Boardman, Oregon
Male Himalayan monal in Sagarmāthā National Park, Nepal
Itapuã Lighthouse in Salvador, Bahia, Brazil
Sunrise over Utah Lake near Provo, Utah
Stairwell in the Department of Philosophy building of New York University, New York City
King penguins at Volunteer Point, Falkland Islands
Forest path in Padley Gorge, Derbyshire, England
Palau de la Música Catalana in Barcelona, Spain
Alpine marmots near the Grossglockner High Alpine Road, Austria
The Smithsonian Institution's National Museum of African American History and Culture in Washington, DC
Gentoo penguin on Cuverville Island, Antarctica
A muskox and her calf in Dovrefjell-Sunndalsfjella National Park, Norway
A giant barrel cactus and yucca plants in the Chihuahuan Desert, Mexico
A brown leghorn rooster
Villers Abbey in Villers-la-Ville, Belgium
The Great Barrier Reef photographed from the International Space Station
Flame Towers and skyline of Baku, Azerbaijan
Fireflies illuminate a forest in Shikoku, Japan
Trailing azalea growing on a scree slope in Rondane National Park, Norway
Pfeiffer Beach at Pfeiffer Big Sur State Park, California
Eurasian red squirrel in Cairngorms National Park, Scotland
The Mont Blanc massif, seen from Mont Salève, France
Minerva Terrace in Mammoth Hot Springs at Yellowstone National Park, Wyoming
Bora Bora in the Leeward Islands of French Polynesia
Heavy frost in Las Médulas, Spain
Kongde Ri looms over Namche Bazaar in Sagarmatha National Park, Nepal
Rhesus macaques in the Wulingyuan wilderness near Zhangjiajie, China
Temple of Valadier, Genga, Italy
An irrigation system in southern Egypt
Eifel National Park, North Rhine-Westphalia, Germany
Ross Fountain at Butchart Gardens in Victoria, British Columbia, Canada
Coyote in Marymoor Park, Redmond, Washington
Karaweik Palace on Kandawgyi Lake, Yangon, Myanmar
Blue-and-yellow macaws flying over the Amazon rainforest in Brazil
Lake Wakatipu near Queenstown, New Zealand
An underwater view of Aktun Ha cenote near Tulum, Quintana Roo, Mexico
A climber in the Cabinet Mountains Wilderness in Montana
Pair of Ural owls in Hokkaido, Japan
New Year’s Eve fireworks above the Sydney Harbour Bridge in Sydney, Australia
Hohenzollern Castle near Stuttgart, Germany
The Athabasca River in Jasper National Park in Alberta, Canada
Red-crowned cranes in Akan National Park, Hokkaido, Japan
Colorful houses in Tromsø, Norway
Southampton Common, Southampton, England
Snow globes for sale in Trentino-Alto Adige/South Tyrol, Italy
A red deer in the snow
The Dome, a nightclub in Edinburgh, Scotland
Manhattan Beach Pier, California
A saguaro cactus decorated with lights in Arizona
A tree farm near Elmira, Idaho
Necklace sea star on a magnificent sea anemone near Sipadan Island, Borneo
Farolitos light the Inn and Spa at Loretto in Santa Fe, New Mexico
Sunset on a snowy field in Switzerland
Veliko Tarnovo, Bulgaria
Inside Fromme-Birney Round Barn in Mullinville, Kansas
Landsat 8 satellite’s composite infrared photo of fields in Kazakhstan
A rural portion of Gmina Barczewo, Olsztyn County, Poland
Climbers ascending the Jungfrau, in the Bernese Alps, Switzerland
A pedestrian skyway in Hong Kong’s Wan Chai District, China
Navy personnel at the first Pearl Harbor Remembrance in 1942, Kaneohe Bay, Hawaii
A frozen waterfall in the Korouoma Gorge, Finland
Semiconductor manufacturing at Infineon Technologies in Villach, Austria
Quinoa plants in Peru
Red grouse in the Scottish Highlands
Resurrection Bay at Kenai Fjords National Park, Alaska
Cierva Cove on the Antarctic Peninsula
Cattle egrets atop a Burchell's zebra in Rietvlei Nature Reserve, South Africa
San Francisco-Oakland Bay Bridge with San Francisco in the background, California
Antique radiometers at the Royal Society's headquarters in London, England
The tower at Victoria Beach, Laguna Beach, California
Fire urchins
Black-legged kittiwake colony on cliffs, Ireland
An ocellated turkey in Guatemala
Chile's Calbuco volcano erupting in April 2015
Salina Turda salt mine in Turda, Romania
Mural in George Town, Penang, Malaysia
The Virgin River in Zion National Park, Utah
Mushrooms in the Dark Dunes near Den Helder, Netherlands
Vineyards near Beaujeu, Rhône, France
Wichita Mountains Wildlife Refuge, Oklahoma
Silhouette of a heron
Hungerburgbahn funicular railway station, Innsbruck, Austria
Granite rocks off Flinders Island, Tasmania, Australia
European hedgehog in Emsland, Germany
The Korean War Veterans Memorial, Washington, DC
Kintamani, Bali, Indonesia
Aurora borealis over the Arctic Henge in Raufarhöfn, Iceland
The Washington Monument and US Capitol Building from the steps of the Lincoln Memorial, Washington, DC
Early snowfall near Fairbanks, Alaska
Clock in Union Station, Toronto, Canada
Houten, Netherlands
Monk’s Dale, Derbyshire Dales National Nature Reserve, England
The Church of Saints Primus and Felician in Jamnik, Slovenia
Mural of sugar skull
Happy Halloween from our haunted graveyard!
Phyllidia coelestis, a sea slug
Mist across rural Transylvania, in Romania
Female greater kudu in Chobe National Park, Botswana
The eruption of Eyjafjallajökull at Fimmvörðuháls Pass in Iceland
King River tidal flats near Wyndham, Australia
Schönbrunn Palace gardens in Vienna, Austria
Mount Tarawera on the North Island, New Zealand
Messner Mountain Museum in the Clouds on Monte Rite, Italy
Ashland Bridge in New Castle County, Delaware
The Caño Cristales River in the Serranía de la Macarena mountains of Colombia
Greater flamingos in Tanzania
A boat in the Ganges River at Varanasi, India
The Aiguilles Rouges near the village of Chamonix in France
Cherry orchards in the Columbia River Gorge National Scenic Area, Oregon
Zuiderduintjes in the West Frisian Islands, Netherlands