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A beautiful coral reef, dominated by colorful gorgonians, grows along the edge of Turneffe Atoll in the Caribbean Sea. This reef is part of the massive Mesoamerican Reef System, the second largest barrier reef on Earth.
A colorful West Indian starfish, Oreaster reticulatus, crawls over a shallow, sandy seafloor in Turneffe Atoll in the Caribbean Sea. This reef is part of the massive Mesoamerican Reef System, the second largest barrier reef on Earth.
A large roughtail stingray, Dasyatis centroura, lays on the seagrass-covered seafloor of Turneffe Atoll off the coast of Belize. This reef is part of the massive Mesoamerican Reef System in the Caribbean Sea, the second largest barrier reef on Earth.
Small cardinalfish hover amid mangrove prop roots in a remote part of Raja Ampat, Indonesia.
Colorful chocolate chip starfish lie scattered on the floor of a seagrass meadow in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.
Symbiotic anemones cover the shell of a hermit crab, Dardanus pedunculatus, in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.
A hawksbill sea turtle, Eretmochelys imbricata, swims over a beautiful reef in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.
A beautiful nudibranch, Bornella anguilla, crawls over black sand in Komodo National Park, Indonesia. This rare nudibranch can swim over short distances quite well.
A broadclub cuttlefish, Sepia latimanus, hovers above a reef in Sulawesi, Indonesia.
A hairy frogfish, Antennarius striatus, lies on the dark, sandy seafloor in Lembeh Strait, Indonesia.
A beautiful coral reef thrives around an island in a remote part of Raja Ampat, Indonesia.
A colorful coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A juvenile painted spiny lobster, Panulirus versicolor, crawls out of a reef crevice amid the islands of Raja Ampat, Indonesia.
A soft coral and large gorgonian thrive on a beautiful coral reef in Raja Ampat, Indonesia.
A brightly colored soft coral adorns a beautiful coral reef in Raja Ampat, Indonesia.
A vibrant and diverse coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A well-camouflaged tasselled wobbegong, Eucrossorhinus dasypogon, lies on the seafloor in Raja Ampat, Indonesia.
A broadclub cuttlefish, Sepia latimanus, hovers over a healthy reef on the remote island of Teun in Indonesia's Banda Sea.
Detail of a colonial tunicate growing on a coral reef in Komodo National Park, Indonesia.
Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.
A spotted porcelain crab, Neopetrolisthes maculatus, snuggles into its host anemone in Komodo National Park, Indonesia.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea. This part of eastern Indonesia is home to part of the world's greatest marine biodiversity.
Blacktip reef sharks patrol the shallow waters around a small island in Tahiti, French Polynesia.
Adult female Magellan goose (upland goose) (Chloephaga picta), on New Island in the Falkland Islands, South Atlantic Ocean, South America
King penguin (Aptenodytes patagonicus) chicks (okum boys) at nesting colony at Salisbury Plain, South Georgia, Polar Regions
African wild dog (Lycaon pictus), Khwai, Okavango Delta, Botswana, Africa
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
Striated Heron (Butorides striata) perching on branch by Lake Sandoval, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America
Mushroom shaped sandstone spire on an eroded ridge west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America
Alerted springboks (Antidorcas marsupialis) watching a lioness (Panthera leo) walking, Nxai Pan National Park, Botswana, Africa
Thrift near Marwick Head, Mainland, Orkney Islands, Scotland, United Kingdom, Europe
Misurina and Monte Cristallo panorama, Dolomites, Belluno, Italy, Europe
View across wooded landscape to the Roccia dell'Orso (Bear Rock), evening, Capo d'Orso, Palau, Sassari, Sardinia, Italy, Mediterranean, Europe
Majestic red rock walls in Kok-Moinok Canyon, Kyrgyzstan, Central Asia, Asia
View across clear turquoise water to rocky headland at northern end of the Spiaggia Rosa, Budelli Island, La Maddalena Archipelago National Park, Sassari, Sardinia, Italy, Mediterranean, Europe
Glacial iceberg detail from ice calved off the LeConte Glacier, Southeast Alaska, Pacific Ocean, United States of America, North America
Adult bald eagle (Haliaeetus leucocephalus) on iceberg near Johns Hopkins Glacier, Southeast Alaska, United States of America, North America
Views from the fishing town of Petersburg on Mitkof Island, Southeast Alaska, Pacific Ocean, United States of America, North America
Mushrooms growing in the Tongass National Forest in southeast Alaska, Pacific Ocean, United States of America, North America
Aerial of Pia glacier, Tierra del Fuego, Chile, South America
Cruise ship anchoring below Pia glacier, Tierra del Fuego, Chile, South America
Pia glacier, Tierra del Fuego, Chile, South America
Aerial of Pia glacier, Tierra del Fuego, Chile, South America
Cerro Torre, one of the hardest peaks in the world to climb, El Chalten Massif, Argentine Patagonia, Argentina, South America
Aerial of Wulaia Bay, Tierra del Fuego, Chile, South America
Aerial of Wulaia Bay, Tierra del Fuego, Chile, South America
Icebergs near the Antarctic Peninsula during the summer months, Antarctica, Southern Ocean, Polar Regions
Ice formation detail in Antarctica, Southern Ocean, Polar Regions
Waterfall at Potter glacier, Tierra del Fuego, Chile, South America
Waterfall in the ice of Potter glacier, Tierra del Fuego, Chile, South America
Bolderwood trails in the New Forest National Park, Hampshire, England, United Kingdom, Europe
Lavender field in the area around Velo Grablje, Hvar island, Croatia, Southeast Europe
Huge avalanche, near Tangnag, Khumbu region, Himalayas, Nepal, Asia
View of glacial ice on Alexander Island in Franz Josef Land, Russia, Arctic Ocean, Eurasia
View of Cape Flora on Northbrook Island in Franz Josef Land, Russia, Arctic Ocean, Eurasia
The remains of the camp where Fridtjof Nansen over-wintered with Hjalmar Johansen in 1895-96, Franz Josef Land, Russia, Arctic Ocean, Eurasia
Adult black-legged kittiwake (Rissa tridactyla) in flight near Alexander Island in Franz Josef Land, Russia, Arctic Ocean, Eurasia
Expedition ship The Bremen operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Polar Regions
Views of the Chilean inactive research base Gonzalez Videla on Waterboat Point in Paradise Bay, Antarctica, Polar Regions
Bubble coral shrimp (Vir philippinensis) on bubble coral (Plerogyra sinuosa) eating, Puerto Galera, Philippines.
A harlequin swimming crab (Lissocarcinus laevis) hides under an anemone, Wakatobi National Park, Indonesia.
Nature Park Valsesia and the Alta Val Strona, Piedmont, Italian Alps, Italy, Europe
Beautiful idyllic hiking trail in the early morning sun light with mountain chain in the background, Monte Rosa, Piedmont, Italian Alps, Italy, Europe
View a long the rugged mountain pass of Colle del Turlo, Vercelli, Piedmont, Italian Alps, Italy, Europe
An adult polar bear (Ursus maritimus) leaping from ice floe to ice floe in the Svalbard Archipelago, Norway, Arctic, Europe
View over Romsdalsfjord, Andalsnes, More og Romsdal, Norway, Scandinavia, Europe
Waterfall near the Eqi glacier, Ilulissat, Western Greenland, Denmark, Polar Regions
Aerial of the Eqi glacier, Western Greenland, Denmark, Polar Regions
Aerial of the Eqi glacier, Western Greenland, Denmark, Polar Regions
Aerial of the Eqi glacier, Western Greenland, Denmark, Polar Regions
The Lindblad Expedition ship National Geographic Explorer at Austfonna in the Svalbard Archipelago, Norway, Arctic, Europe
Overlook over Ilulissat, Western Greenland, Denmark, Polar Regions
Little village of Oqaatsut, Western Greenland, Denmark, Polar Regions
Little boat between the icebergs of the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Aerial of a red sailing boat in the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Aerial of the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Aerial of Nuuk, capital of Greenland, Denmark, Polar Regions
Giant rock cliff, Nuuk Icefjord, Western Greenland, Denmark, Polar Regions
Fishing trawler in the mountainous fjord, Kulusuk, Greenland, Denmark, Polar Regions
Graveyard in Kulusuk, Greenland, Denmark, Polar Regions
Mountainous fjord, Kulusuk, Greenland, Denmark, Polar Regions
Colourful houses, Kulusuk, Greenland, Denmark, Polar Regions
Aerial of a glacier, Kulusuk, Greenland, Denmark, Polar Regions
Aerials of the mountains around Kulusuk, Greenland, Denmark, Polar Regions
Aerial of the mountainous coastline around Kulusuk, Greenland, Polar Regions
Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Icebreaker in the waters of Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Backlight in the waters around Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Rocky beach, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Polar bear (Ursus Maritimus) on 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
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America