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A beautiful coral reef, dominated by colorful gorgonians, grows along the edge of the Blue Hole in Lighthouse Reef 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.
Healthy corals grow on the edge of a mangrove forest in a remote part of Raja Ampat, Indonesia.
A beautiful coral reef thrives 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 beautiful coral reef thrives 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, lays on 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 magnificent sea anemone, Heteractis magnifica, grows on a 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 colorful nudibranch, Hypselodoris tryoni, crawls across a sandy sea floor 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 loggerhead sea turtle, Caretta caretta, swims over a deep coral reef on Turneffe Atoll, Belize.
A beautiful coral reef thrives just off the island of Ambon, Indonesia.
Healthy corals grow on a vibrant reef in Raja Ampat, Indonesia.
An amazingly beautiful coral reef thrives among the scenic islands of Raja Ampat, Indonesia.
A bleached magnificent sea anemone is found on a reef off the coast of Sulawesi in Indonesia. Bleaching is usually associated with higher than normal sea temperatures.
A blue starfish, Linkia laevigata, clings to coralline algae on a reef in Sulawesi, Indonesia.
A school of blue-green damselfish, Chromis viridis, hovers amid the tropical islands of Raja Ampat, Indonesia.
A blue sea star, Linkia laevigata, clings to a healthy coral reef in Raja Ampat, Indonesia.
Vibrant soft corals, Dendronephthya sp., thrive among the islands of 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 huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.
A well-camouflaged flasher scorpionfish, Scorpaenopsis macrochir, lies on a black sand slope just outside of Komodo National Park, Indonesia.
A cute red-spotted blenny, Blenniella chrysospilos, looks out from its protective home on a coral reef in Indonesia. This combtooth blenny feeds on algae.
A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.
Detail of a bulbed anemone, Entacmaea quadricolor, on a coral reef in Komodo National Park, Indonesia.
A bright yellow crinoid clings to a healthy coral reef near Alor, Indonesia.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
A healthy coral reef thrives in Komodo National Park, Indonesia.
Huge table corals cover a reef in Indonesia that is teeming with fish, Raja Ampat, Indonesia.
A garden of water lilies in a Mexican Cenote, Caribbean Sea, Mexico.
Perito Moreno Glacier, UNESCO World Heritage Site, around El Calafate, Santa Cruz province, Patagonia, Argentina, South America
Perito Moreno Glacier, UNESCO World Heritage Site, around El Calafate, Santa Cruz province, Patagonia, Argentina, South America
Flock of sheep, Estancia Nibepo Aike on the Argentino lakeshore, around El Calafate, Patagonia, Argentina, 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
Views of the cemetery at the abandoned whaling station in Stromness Bay on South Georgia in the Southern Ocean, Polar Regions
Landscape view of a river and mountain in the background covered in snow during winter, Italy, Europe
Cadini di Misurina and Refugio Auronzo panorama, Dolomites, Belluno, Italy, Europe
Man in yellow rain coat looking at Mountain Pass,glacial mountains and melt water lakes, Jotunheimen National Park, Norway, Scandinavia, Europe
Glacial mountains with melt water lakes, Sognefjellet Mountain Pass, Jotunheimen National Park, Norway, Scandinavia, Europe
Drone view of Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia
Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia
View of tidewater glacier cave found deep inside Neko Harbor on the western side of the Antarctic Peninsula, Polar Regions
Dramatic Sea Arch of Drangarnir and waves crashing on the Faroe Islands coast, Faroe Islands, Denmark, Atlantic, Europe
Majestic red rock spires in Kok-Moinok Canyon, Kyrgyzstan, Central Asia, Asia
Adult American black bear (Ursus americanus) near Mendenhall Glacier, Southeast Alaska, United States of America, North America
Adult brown bear (Ursus arctos) fishing for pink salmon at Pavlof Harbor on Chichagof Island, Southeast Alaska, United States of America, North America
Scenic view of Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, Pacific Ocean, United States of America, North America
Views from the fishing town of Petersburg on Mitkof Island at low tide, Southeast Alaska, Pacific Ocean, United States of America, North America
Aerial of Pia glacier, Tierra del Fuego, Chile, South America
Aerial of Pia glacier, Tierra del Fuego, Chile, South America
Aerial of Wulaia Bay, Tierra del Fuego, Chile, South America
Aerial of Wulaia Bay, Tierra del Fuego, Chile, South America
Landscape of the mountain range around Paphos, Cyprus, Eastern Mediterranean Sea, Europe
Ice formation detail in Antarctica, Southern Ocean, Polar Regions
Scenic mountain landscape with lush greenery and snow-capped peaks above Kol Ukok Lake, Kyrgyzstan, Central Asia, Asia
Snow-capped peaks and lush valleys showcased in stunning landscape, Kyrgyzstan, Central Asia, Asia
Waterfall at Potter glacier, Tierra del Fuego, Chile, South America
Waterfall in the ice of Potter glacier, Tierra del Fuego, Chile, South America
Aerial of Pia glacier and its fjord, Tierra del Fuego, Chile, South America
Hiking trails around Seven Rila Lakes, Bulgaria, Europe
Hiking trails around Seven Rila Lakes, Bulgaria, Europe
Hiking trails around Seven Rila Lakes, Bulgaria, Europe
Views of Seven Rila Lakes, Bulgaria, Europe
Aerial of Slansko Lake, Montenegro, Europe
View of sea and coastline near Skala Kallirachis, Skala Kallirachis, Thassos, Aegean Sea, Greek Islands, Greece, 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
Adult black-legged kittiwake (Rissa tridactyla) in flight near Alexander Island in Franz Josef Land, Russia, Arctic Ocean, Eurasia
Scenic mountain landscape of Kyrgyzstan with lush Greenery and Snow-Capped Peaks overlooking Kol Ukok Lake, Kyrgyzstan, Central Asia, Asia
Ruined cells of penal colony on Ile Saint-Joseph, Iles du Salut (Islands of Salvation), French Guiana, Overseas department and region of France, French Guiana, South America
Avon Gorge, elevated view, Bristol, England, United Kingdom, Europe
The Volcano Route, La Palma, Canary Islands, Spain, Atlantic Ocean, Europe
Towering red rock formations in the Warton Sandstone, King George River, Kimberley, Western Australia, Australia, Pacific
One of the twin 100 meter waterfalls formed in the Warton Sandstone, King George River, Kimberley, Western Australia, Australia, Pacific
A group of eagle rays (Myliobatidae) swimming in the Maldives.
Alpine forest with towering mountains of the Italian Alps at Monte Rosa, Alagna Valsesia, Piedmont, 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
Stratified City at sunrise, Las Palmas, Lanzarote, Canary Islands, Spain, Atlantic, Europe
An adult polar bear (Ursus maritimus) leaping from ice floe to ice floe in the Svalbard Archipelago, Norway, Arctic, Europe
Ferry service on the Aurlandsfjord, an arm of the Sognefjord, the largest fjord in all of Norway, Vestland, Norway, Scandinavia, Europe
Adult great blue heron (Ardea herodias cognata) hunting for green sea turtle hatchlings in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
A birdseye view of Svinafellsjokull Glacier, in southern Iceland, Polar Regions
View over the mountainous scenery around Andalsnes, More og Romsdal, Norway, Scandinavia, Europe
View over the mountainous scenery around Andalsnes, More og Romsdal, Norway, Scandinavia, Europe
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
Aerial of the Eqi glacier, Western Greenland, Denmark, Polar Regions
A view of the Mitchell River meandering towards Swift Bay as seen from a commercial helicopter, Kimberley, Western Australia, Australia, Pacific
A view of the Mitchell River meandering towards Swift Bay as seen from a commercial helicopter, Kimberley, Western Australia, Australia, Pacific
Mountain landscape in the Dinaric Alps, Albania, Europe
The Lindblad Expedition ship National Geographic Explorer running Zodiac operations in the Svalbard Archipelago, Norway, Arctic, Europe
Zodiac with Lindblad guests near harbor seal (Phoca vitulina) hauled out on ice calved from the South Sawyer Glacier in the Tracy Arm-Ford's Terror Wilderness area, Southeast Alaska, United States of America, North America
Overlook over Ilulissat, Western Greenland, Denmark, Polar Regions
Little village of Oqaatsut, Western Greenland, Denmark, Polar Regions
Weddell Seal (Leptonychotes weddellii), hauled out on ice at Half Moon Island, Antarctica, Southern Ocean, Polar Regions
View over the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Kayakers between the floating icebergs, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Floating icebergs, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions