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Ballcourt, elevated view, Edzna Archaeological Site, Campeche State, Mexico
Great Acropolis, Edzna Archaeological Site, Campeche State, Mexico
Edzna Archaeological Site, Campeche State, Mexico
Great Acropolis, Edzna Archaeological Site, Campeche State, Mexico
Great Acropolis, Edzna Archaeological Site, Campeche State, Mexico
Becan Archaeological Site, Campeche State, Mexico
Structure I, Xpuhil Archaeological Site, Xpujil, Campeche State, Mexico
Rana El Zein, Deputy Director at AFALULA, and White saxaul (Haloxylon persicum), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Rana El Zein, Deputy Director at AFALULA, and White saxaul (Haloxylon persicum), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Rana El Zein, Deputy Director at AFALULA, and White saxaul (Haloxylon persicum), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Woman photographing Palm plantation colonized by invasive Sodom apple (Calotropis procera), Sharaan Nature Reserve, Medina Province, Saudi Arabia
Palm plantation colonized by invasive Sodom apple plant (Calotropis procera), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Becan Archaeological Site, Campeche State, Mexico
Stela at Calakmul Archaeological Site, Campeche State, Mexico
Structure II, Calakmul Archaeological Site, Campeche State, Mexico
Structure II, Calakmul Archaeological Site, Campeche State, Mexico
Stelae at the bottom of Structure VII, Calakmul Archaeological Site, Campeche State, Mexico
Structure I, Calakmul Archaeological Site, Campeche State, Mexico
Structure I, Calakmul Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
Balamku Archaeological Site, Campeche State, Mexico
An old relic from the Johnson Canyon Railroad, Kaibab National Forest of Arizona, USA
Axolotl, Tampa Aquarium, United States of America
Butterfly Paradise, London Zoo, United Kingdom
Kinich Kak Moo Mayan Pyramid, Izamal, Yucatan State, Mexico
People climbing the Kinich Kak Moo Mayan Pyramid, Izamal, Yucatan State, Mexico
The Thousand Columns Group, Chichen Itza, Yucatan State, Mexico
Underwater marine life on coral reefs, Thailand
The Antiquarian museum, part of the archaeological ruins of Pompeii, UNESCO, Campania, Italy
The archaeological ruins of Pompeii, UNESCO, Campania, Italy
The archaeological ruins of Pompeii, UNESCO, Campania, Italy
Adult Imperial Shag (Phalacrocorax (atriceps) atriceps) exhibiting intense breeding plumage, New Island, Falkland Islands
Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Caribbean spiny lobster (Panulirus argus), underwater at Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize
Caribbean land hermit crab (Coenobita clypeatus), Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize
The High Temple at the Mesoamerican archaeological site of Lamanai (Submerged Crocodile), Belize
The High Temple at the Mesoamerican archaeological site of Lamanai (Submerged Crocodile), Belize
The Royal Complex at the Mesoamerican archaeological site of Lamanai (Submerged Crocodile), Belize
The Temple Stela 9 complex at the Mesoamerican archaeological site of Lamanai (Submerged Crocodile), Belize
The temple Stela 9 complex at the Mesoamerican archaeological site of Lamanai (Submerged Crocodile), Belize
Rock art on a rock formation in Tigui, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Old bullets from the war, Tibesti Mountains, Chad
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whale (Megaptera novaeangliae) breaching along the west side of Chatham Strait in Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whale (Megaptera novaeangliae) tail throw among feeding whales in Southeast Alaska, United States of America
Adult humpback whale (Megaptera novaeangliae) tail throw among feeding whales in Southeast Alaska, United States of America
Adult brown bear (Ursus arctos) skeletal remains on Chichagof Island, Alaska, United States of America
An adult Pacific white-sided dolphin (Lagenorhynchus obliquidens) leaping in Johnstone Strait, British Columbia, Canada
An adult Pacific white-sided dolphin (Lagenorhynchus obliquidens) bow-riding in Johnstone Strait, British Columbia, Canada
A juvenile killer whale (Orcinus orca) encountered off West Craycroft Island in Blackfish Sound, British Columbia, Canada
Adult fin whale (Balaenoptera physalus) carcass in Holmabukta off the northwest of the Svalbard Archipelago, Norway
Adult fin whale (Balaenoptera physalus) carcass in Holmabukta off the northwest of the Svalbard Archipelago, Norway
A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway
A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway
Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway
A view of the expedition ship Akademik Shokalskiy operating in the Svalbard Archipelago, Norway
Adult great skua (Stercorarius skua) being harassed by Arctic terns (Sterna paradisaea) guarding their nest sites, Svalbard, Norway
A curious young polar bear (Ursus maritimus), approaches the ship on Spitsbergen in the Svalbard Archipelago, Norway
A curious young polar bear (Ursus maritimus), approaches the ship on Spitsbergen in the Svalbard Archipelago, Norway
Geneva Observatory offices, Sauverny, Canton of Geneva, Geneva, Switzerland
CERN, Wandering the Immeasurable, steel structure, Globe of Science and Innovation in background, Geneva, Switzerland
CERN, Wandering the Immeasurable, steel structure, Globe of Science and Innovation in background, Geneva, Switzerland
A curious young polar bear (Ursus maritimus), approaches the ship on Spitsbergen in the Svalbard Archipelago, Norway
A curious young polar bear (Ursus maritimus), approaches ship on Spitsbergen in the Svalbard Archipelago, Norway
A mother polar bear (Ursus maritimus), and cub of the year leaving a fin whale carcass in Holmabukta in the Svalbard Archipelago, Norway
Two mother polar bears (Ursus maritimus) with cubs of the year watch a male bear feeding on a fin whale carcass in Svalbard, Norway
Skara Brae, a Neolithic village constructed in 3100 BC, UNESCO, Orkney Islands, Scotland, United Kingdom
Adult razorbill, (Alca torda) along the Atlantic coast of Iceland
Adult humpback whale (Megaptera novaeangliae), flukes-up dive at Siglufjorour, Iceland
Burial Ground for Slaves and Free Blacks up to 1854, containing 180 graves, St. Peter's Churchyard, St. George, Bermuda
Burial Ground for Slaves and Free Blacks up to 1854, containing 180 graves, St. Peter's Churchyard, St. George, Bermuda
Skull of an adult killer whale (Orcinus orca), on display inside the town of Stanley, Falkland Islands, South Atlantic Ocean, South America
Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions
Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions
Adult bull southern elephant seal (Mirounga leonina) attempting to cool off by flinging sand on his back, South Georgia, Polar Regions
View of tidewater glacier deep inside Neko Harbor on the western side of the Antarctic Peninsula, Southern Ocean, Polar Regions
Bay of Bones Museum, Ohrid, Macedonia, Europe
Expedition ship The Bremen operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Polar Regions
A close up view of a beetle on hogweed (Heracleum spp) found in the Solovetsky Islands, Arkhangelsk Oblast, White Sea, Russia, Arctic, Europe
Humpback whale (Megaptera novaeangliae), surfacing off Half Moon Island in the South Shetland Island Group, Antarctica, Polar Regions
View of calm seas and icebergs with reflected mountains surrounding Damoy Point in Dorian Bay, Antarctica, Polar Regions
Chinstrap penguins (Pygoscelis antarctica), breeding colony at Half Moon Island, Antarctica, Southern Ocean, Polar Regions
Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions
Reconstruction of Homo sapiens who lived 160000 years ago and found in the Jebel Irhoud in Morocco, Evolution Stairs, Moesgaard Museum (MOMU), Henning Larsen Architects, museum of archaeology and ethnography, Hojbjerg, Aarhus, Jutland, Denmark, Europe
Adult great blue heron (Ardea herodias cognata) feeding on green sea turtle hatchlings, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Galapagos penguin (Spheniscus mendiculus) feeding underwater on small baitfish in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
The Lindblad Expedition ship National Geographic Explorer at Austfonna 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
Guest from the Lindblad Expeditions ship National Geographic Sea Bird on path beside a skull in Southeast Alaska, United States of America, North America
Science center, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Adult gentoo penguin (Pygoscelis papua), porpoising for swimming speed near the Antarctic Peninsula, Southern Ocean, Polar Regions