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Early morning view of Sedona from Schnebly Hill Vista, Capitol Butte on the left and Wilson Mountain on the right, Sedona, Arizona, United States of America, North America

Cathedral Rock seen from Red Rock State Park, Sedona, Arizona, United States of America, North America

The Washakie Wilderness area within Shoshone National Forest, Wyoming, United States of America, North America

Loch Lomond and Trossachs National Park Signboard with Ben More and the Crianlarich Hills behind in winter, Loch Lomond and Trossachs National Park, Scottish Highlands, Scotland, United Kingdom, Europe

Frozen Loch Droma backed by Meall Breac, Dirrie More, Scottish Highlands, Scotland, United Kingdom, Europe

River Etive in winter backed by Stob Dearg (Buachaille Etive Mor), Rannoch Moor, Argyll and Bute, Scottish Highlands, Scotland, United Kingdom, Europe

A frozen Loch Ba backed by Beinn a Chreachain in winter, Rannoch Moor, Argyll and Bute, Scottish Highlands, Scotland, United Kingdom, Europe

A cliff overhang shaped like the head of a Duck west of Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Traditional sauna on the edge of Lusiai Lake at Paluse, Aukstaitija National Park, Lithuania, Europe

The summit of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Waterfall pouring down a rocky cliff, with blurred motion, resulting from a slow shutter speed; at Welcombe Mouth, Hartland, north Devon, England, United Kingdom, Europe

Road overhanging the deep gorge of the Vorotan River viewed from the cable car connecting the village of Halidzor, Syunik Province in southeastern Armenia, Eurasia

Loch an Eilein, near Aviemore, Cairngorms National Park, Highlands, Scotland, United Kingdom, Europe

View from Nebelhorn summit to Allgau Alps, Oberstdorf, Swabia, Bavarian Alps, Bavaria, Germany, Europe

Serene view of Langtang Village in front of Tserko ri and Gangchempo, Langtang Valley trek, Himalayas, Nepal, Asia

The Majestic Tserko Ri Peak overlooking the Upper Langtang valley on the Langtang Valley trek, Himalayas, Nepal, Asia

Close-up of a Horned Yak and mountainous backdrop on the Langtang Valley trek, Himalayas, Nepal, Asia

Tinh Yeu (Love Waterfall) in the jungle near Sa Pa (Sapa), Lao Cai province, Vietnam, Indochina, Southeast Asia, Asia

Sea lions (Otaria flavescens) in the Beagle Channel, Ushuaia, Tierra del Fuego, Patagonia, Argentina, South America

Perito Moreno Glacier, UNESCO World Heritage Site, around El Calafate, Santa Cruz province, Patagonia, Argentina, South America

A broadclub cuttlefish (Sepia latimanus) lays eggs in a coral colony in Komodo National Park, Indonesia.

A tiny cleaner shrimp removes parasites from a Black-finned snake eel (Ophichthus cephalozona) on a sandy seafloor in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

Rugged limestone islands surround a gorgeous lagoon in a remote part of Raja Ampat, Indonesia. This beautiful region is known as the heart of the Coral Triangle and is a popular destination for scuba divers and snorkelers.

Forest-covered limestone islands surround a gorgeous lagoon in a remote part of Raja Ampat, Indonesia. This beautiful region is known as the heart of the Coral Triangle and is a popular destination for scuba divers and snorkelers.

Fragile corals grow in extremely shallow water in Komodo National Park, Indonesia. This part of the Coral Triangle is known for its high marine biodiversity and is a popular destination for scuba divers and snorkelers.

A beautiful nudibranch (Hypselodoris bullockii) crawls slowly across a reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

A pair of spotted eagle rays (Aetobatus narinari) swim over the deep, sandy seafloor near Cocos Island, Costa Rica. This remote, Pacific island is famous for its healthy fish and shark populations.

A bulbed anemone (Entacmaea quadricolor) grows on a reef in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers.

A beautiful starfish (Linckia laevigata) lays on a thriving reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

A venomous stonefish (Synanceia verrucosa) camouflages itself in sand in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

Detail of a large coral polyp in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

A shortfin lionfish (Dendrochirus brachypterus) lays on the seafloor waiting for prey to swim near in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

Abstract of a mushroom coral (Fungia sp.) growing on a reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

Soft corals, sponges, and other invertebrates compete for space on a beautiful reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.

A colorful nudibranch (Nembrotha kubaryana) crawls slowly across a reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

A camouflaged horned flathead (Thysanophrys carbunculus) lays hidden on a sandy slope near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

A stargazer fish (Uranoscopus sulphureus) camouflages itself in sand in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

A stargazer fish (Uranoscopus sulphureus) camouflages itself in sand in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

Detail of a stony coral (Galaxea sp.) growing in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

Crinoids cling to a large sponge on a healthy coral reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

An unusual sea star (Linckia laevigata) clings to a diverse reef near the island of Bangka, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

Young lily pads grow to the surface along the shallow edge of a freshwater lake in Cape Cod, Massachusetts. Vegetation, which provides habitat for fish, amphibians, and reptiles, grows wildly during summer months and then dies off during the fall and wint

A massive school of bigeye trevally (Caranx sexfasciatus) swims in deep water near Cocos Island, Costa Rica. This remote island is home to an incredible variety of marine life.

A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.

Colony of tunicates grow on a reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

Detail of the texture on a mushroom coral (Fungia sp.) growing in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

Christmas tree worms (Spirobranchus giganteus) grow on a coral reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

A pink anemonefish (Amphiprion perideraion) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

A translucent shrimp (Vir philippinensis) crawls on bubble coral in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

An ornate ghost pipefish (Solenostomus paradoxus) hovers above a coral reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.

Acoel flatworms cover a coral colony on a reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.

A tiny shrimp (Periclimenes soror) lives on a pin-cushion starfish in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.

Colorful lily pads grow along the shallow edge of a freshwater lake in New England. Aquatic vegetation, which thrives during summer months, provides vital habitat for many fish, amphibians, and reptiles.

Limestone islands surround a beautiful lagoon in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.

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.

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.

Bright beams of sunlight descend into the shadows of a blue water mangrove forest in Raja Ampat, Indonesia.

Garden coral, sponges, and other invertebrates grow in a shallow 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.

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.

An unidentified scorpionfish waits to ambush prey on a black sand slope 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.

Aerial view of the idyllic island of Gili Banta just outside of Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for its marine biodiversity as well as its infamous Komodo dragons.

A school of blue-green damselfish, Chromis viridis, hovers amid the tropical islands of Raja Ampat, Indonesia.

Flamboyant cuttlefish embryos, Metasepia pfefferi, wait to hatch from their eggs on the sandy seafloor in Lembeh Strait, Indonesia.

A thick school of yellow-striped scad swims below a jetty amid the tropical islands of Raja Ampat, Indonesia.

A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, Indonesia.

A colorful ornate ghost pipefish, Solenostomus paradoxus, hovers over a coral reef in Komodo National Park, Indonesia.

A small, well-camouflaged cuttlefish, Sepia sp., hovers on a rocky seafloor in the Banda Sea, Indonesia.

A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by 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 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.

Detail of a reef-building coral colony growing on a healthy reef in Komodo National Park, Indonesia.

A greater blue-ring octopus, Hapalochlaena lunulata, crawls across a coral reef in Komodo National Park, Indonesia. There are several blue-ring octopus species and all of them are extremely venomous.

Sunrise on king penguins (Aptenodytes patagonicus) at nesting and breeding colony at Salisbury Plain, South Georgia, Polar Regions

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