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Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Aerial of Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Aerial of Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Gravestone from the Franklin expedition, Beechey island, Nunavut, Canadian Arctic, Canada, North America
Wreck of a C-53 Skytrooper, which went down on February 26, 1942 in Vansittart Bay, Kimberley, Western Australia, Australia, Pacific
Dead Adelie penguin (Pygoscelis adeliae) attacked, killed and eaten by an Antarctic fur seal at Brown Bluff, Antarctica, Polar Regions
Views signpost and the Trinity Church at Belingshausen Russian Research Station, Antarctica, Southern Ocean, Polar Regions
Views of Base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions
Stepped Pyramid of Djoser, the first pyramid, complex of Saqqara, UNESCO World Heritage Site, Egypt, North Africa, Africa
Model boat, 11th Dynasty, Luxor Museum, Luxor, Egypt, North Africa, Africa
Galapagos sea lions (Zalophus wollebaeki) hauled out on the beach in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Abandoned former whaling station at Port Foster inside of the caldera at Deception Island, South Shetland Islands, Antarctica, Polar Regions
A small pod of Type B killer whales (Orcinus nanus) just outside Duse Bay in the Weddell Sea, Antarctica, Polar Regions
Northern giant petrel (Macronectes halli) scavenging and feeding on a dead fur seal pup at St. Andrews Bay, South Georgia
Pregnant female southern elephant seal (Mirounga leonina) giving birth on the beach in Stromness Bay, South Georgia Island
Monte Alban Archaeological Site, Oaxaca State, Mexico
View of artifacts in the interior of the Grand Egyptian Museum (GEM), Cairo, Egypt, Africa
View of artifacts in the interior of the Grand Egyptian Museum (GEM), Cairo, Egypt, Africa
Microbats constitute the suborder Microchiroptera, found in a sandstone crevice on Bigge Island, Kimberley, Western Australia, Australia, Pacific
Visitor Center, Dadan Archaeological site, ancient capital of Dadan and Lihyan kingdoms over 2000 years ago. AlUla, Medina Province, Saudi Arabia
Jabal Ikmah Site, world's largest concentration of well-preserved Dadanitic inscriptions, 1st millennium BCE, AlUla, Medina Province, Saudi Arabia
Great Acropolis, Edzna Archaeological Site, Campeche State, Mexico
Structure I, Xpuhil Archaeological Site, Xpujil, Campeche State, Mexico
Structure II, Calakmul Archaeological Site, Campeche State, Mexico
Stelae at the bottom of Structure II, Calakmul Archaeological Site, Campeche State, Mexico
Stela at the Structure I, detailed view, Calakmul Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
Ancient symbols and rock carvings on a sandstone rock cliff in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
The Tzompantli, Platform of the Skulls, Chichen Itza, Yucatan State, Mexico
Preserved murals within the archaeological ruins of Pompeii, UNESCO, Campania, Italy
Wall murals in the archaeological ruins of Pompeii, UNESCO, Campania, Italy
The archaeological ruins of Pompeii, UNESCO, Campania, Italy
Southern right whale (Eubalaena australis) adult surfacing near Puerto Pyramides, Peninsula Valdez, Argentina
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Astronomical instruments of Jantar Mantar, UNESCO, Jaipur, Rajasthan, India
Dead and dying pink salmon (Oncorhynchus gorbuscha) gathering after the spawn just outside of Sitka, Alaska, United States of America
Adult brown bears (Ursus arctos) feeding on humpback whale carcass, Scidmore Cut, Glacier Bay National Park, Alaska, United States of America
Adult fin whale (Balaenoptera physalus) sub-surface feeding in the rich waters off the Svalbard Archipelago, Norway
Adult fin whale (Balaenoptera physalus) sub-surface feeding in the rich waters off the Svalbard Archipelago, Norway
Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway
Adult humpback whale (Megaptera novaeangliae), surfacing near researchers in Zodiac at sunset, Iceland
The Argentine Research Station Almirante Brown, located in Paradise Harbor, Antarctica, Polar Regions
Interior of former British Base A, now a museum and post office at Port Lockroy on tiny Goudier Island, Antarctica, Polar Regions
Bas Relief of Boat, Tomb of Seti I, KV17, Valley of the Kings, Ancient Thebes, UNESCO World Heritage Site, Luxor, Egypt, North Africa, Africa
Adult male Magellan goose (upland goose) (Chloephaga picta), on New Island in the Falkland Islands, South Atlantic Ocean, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult Subantarctic Skua (Catharacta antarctica lonnbergi) on tussac at Salisbury Plain on South Georgia Island, Polar Regions
Views of the Chilean research base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions
Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America
Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America
Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions
Southern right whale (Eubalaena australis) mother and calf near whale watching boat in Puerto Pyramides, Argentina, South America
View of snow-covered Half Moon Island in the South Shetland Group, Antarctica, Southern Ocean, Polar Regions
A large pod of Gerlache Strait type B killer whales (Orcinus orca), traveling and socializing in Gerlache Strait, Antarctica, Polar Regions
A large pod of Gerlache Strait type B killer whales (Orcinus orca), traveling and socializing in Gerlache Strait, Antarctica, Polar Regions
Adult Dall's porpoise (Phocoenoides dalli) surfacing with characteristic rooster tail splash in Johnstone Strait, British Columbia, Canada, North America
A pod of killer whales (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
A newly discovered ivory gull (Pagophila eburnea) breeding colony on Alexander Island in Franz Josef Land, Russia, Eurasia
Views of the Chilean inactive research base Gonzalez Videla on Waterboat Point in Paradise Bay, Antarctica, Polar Regions
Views of the Monacobreen (Monaco Glacier), in Haakon VII Land on the island of Spitsbergen in Svalbard, Norway, Arctic, Europe
Conservation work at the Great Hypostyle Hall in the Precinct of Amon-Re, Karnak Temple Complex, UNESCO World Heritage Site, Luxor, Egypt, North Africa, Africa
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
Juvenile Galapagos hawk (Buteo galapagoensis) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Aerial of a little ship floating between the ice below the Eqi glacier, Western Greenland, Denmark, Polar Regions
The Lindblad Expedition ship National Geographic Explorer near glacial run-off in the Svalbard Archipelago, Norway, Arctic, Europe
The Lindblad Expedition ship National Geographic Explorer near a glacier in the Svalbard Archipelago, Norway, Arctic, Europe
A curious young polar bear (Ursus maritimus) approaches the National Geographic Explorer in the Svalbard Archipelago, Norway, Arctic, Europe
The Lindblad Expedition ship National Geographic Explorer near Cape Fanshawe in the Svalbard Archipelago, Norway, Arctic, Europe
The Lindblad Expedition ship National Geographic Explorer pushing through ice in the Svalbard Archipelago, Norway, Arctic, Europe
Ice crystals, Science Center, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Belcher glacier, Devon island, Nunavut, Canadian Arctic, Canada, North America
Resolute, Inuit hamlet, Cornwallis island, Nunavut, Canadian Arctic, Canada, North America
Green Sea Turtle (Chelonia mydas) nesting site at night on Long Beach on Ascension Island, Tropical Atlantic Ocean, South Atlantic Ocean
Antarctic fur seal pups (Arctocephalus gazella) near the abandoned whaling station at Stromness Bay on South Georgia, Polar Regions
King penguin (Aptenodytes patagonicus) mating behavior at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions
King penguins (Aptenodytes patagonicus) at breeding and nesting colony at Salisbury Plain in the Bay of Isles, South Georgia, Polar Regions
King penguin (Aptenodytes patagonicus) adult and chick at breeding and nesting colony at Salisbury Plain, South Georgia, Polar Regions
Adelie penguins (Pygoscelis adeliae), in snow storm at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions
Views of the abandoned whaling station in Prince Olav Harbor on South Georgia, Southern Ocean, Polar Regions
A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America
Adult Commerson's dolphin (Cephalorhynchus commersonii) surfacing, Carcass Island in the Falkland Islands, South America
Iceberg detail in and around the Antarctic Peninsula during the summer months, Southern Ocean, Polar Regions
Chinstrap penguin (Pygoscelis antarctica) breeding and molting at Half Moon Island, Antarctica, Southern Ocean, Polar Regions
Views of Base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions
Expedition ship Europa operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions
Expedition ship Polar Star operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions
Adult fin whale (Balaenoptera physalus), dorsal fin detail surfacing off Newport Beach, California, United States of America, North America
Magdalena Island, Magallanes Region, Punta Arenas, Chile, South America
Santa Laura Salpeter mine, UNESCO World Heritage Site, Atacama desert, Chile, South America
National Museum of Egyptian Civilisation, Cairo, Egypt, North Africa, Africa
Humboldt University Library at twilight, Berlin, Germany, Europe
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Guest from the Lindblad Expedition ship National Geographic Endeavour in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America