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Aurora Borealis over Vagsfjorden outside of Harstad in Northern Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

A fantastic eruption of Aurora Borealis over Toviktinden Mountain in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora Borealis over Tennevik River in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

A rare sight in Tjeldsundet, Troms County, Norway. Ice flakes drifting in the sunset looking towards the mountains on Tjeldoya Island.

Aurora Borealis reflects off the Tennevik River, Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora Borealis over Tennevik River in Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora Borealis over Vagsfjorden in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora borealis over Blafjellet Mountain in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora Borealis and a full moon over the Blafjellelva River in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

A magnificent display of aurora borealis shooting up from Toviktinden Mountain in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora Borealis over Skittendalen Valley and the Skittendalen River in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora Borealis over Forramarka Woods in Tennevik, Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Aurora and a Full Moon over Tennevik River, Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Vibrant purple orchids with green foliage in a greenhouse setting at Kew Gardens, London, England, United Kingdom, Europe

Aerial drone panoramic view of Fort of Nossa Senhora da Rocha (Fort of Our Lady of the Rock) (Castle of Porches), Porches, Lagoa, Algarve, Portugal

View of beach and promenade at Quarteira, Algarve, Portugal

Aerial drone view of Vilamoura Marina in Vilamoura, Algarve, Portugal

Aerial drone panoramic view of Fort of Nossa Senhora da Rocha (Fort of Our Lady of the Rock) (Castle of Porches), Porches, Lagoa, Algarve, Portugal

Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America

Alcudia Beach pier in Mallorca, Spain.

Aurora over Tjeldsundet and Saetertinden Mountain in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

Roasto Falls in Nordland County, Norway.

Batfishes swimming around a shipwreck in Anilao, Philippines.

Snorkeler exploring heart-shaped reef in Banda Sea, Indonesia.

Colorful reef with fishes and sun burst in Komodo, Indonesia.

The reservoir at Sand Hollow State Park, near St. George, Utah, United States of America

Free diver exploring the shallow reefs of the Banda Sea, Indonesia.

Soft coral in the reef at Komodo, Indonesia.

Perito Moreno glacier, Lago Argentino, Argentina.

Old ice breaking under newer ice when the lake froze, Lake Baikal, Russia.

Person hiking on Matanuska Glacier, Alaska.

Wilhelmina Bay iceberg, Antarctic Peninsula.

Maremmana cow, Province of Grosseto, Maremma, Tuscany, Italy, Europe

Rock formation protruding from the frozen lake, Lake Baikal, Russia.

Chinstrap penguins on an iceberg near Aitcho Islands, Antarctic Peninsula.

Perito Moreno glacier, Lago Argentino, Argentina.

Aerial view of Mount McKinley, Alaska.

Perito Moreno glacier ice breaks into the lake, Lago Argentino.

Stream of air bubbles caught in the ice when the lake froze, Lake Baikal, Russia.

Iceberg in Lago Argentino, Argentina.

Lake inside a crater, Iceland.

River in a basalt gorge, Iceland.

Inside a frozen cave, Lake Baikal, Russia.

A pair of manatees appear to be greeting each other as they meet in the clear freshwater of the Fanning Spring inlet to the Suwannee River in Fanning Springs, Florida.

Four manatees congregate to feed on algae at Fanning Springs State Park, Florida.

A close-up head profile of a manatee swimming in Fanning Springs State Park, Florida.

A pair of manatees swimming in formation with the lead manatee in the crystal clear freshwater of the Fanning Springs inlet to the Suwannee River, Florida.

A young married couple celebrate their ten year anniversary by scuba diving in the clear freshwaters of Devil's Den Springs, a sinkhole in Williston, Florida, as the afternoon sun filters down into the cavern.

A technical cave diver using a diver propulsion vehicle (DPV) to dive into the Blue Springs state park cave system near Marianna, Florida.

A Crocodilefish lies motionless on the sandy bottom at night in Papua New Guinea employing camouflauge while laying in wait for an unsuspecting fish.

Pink anemonefish (Amphiprion perideraion) guard their anemone on a coral reef in the South Pacific ocean near Tavarua Island off the coast of Veti Levu, Fiji.

Golden Damselfish (Amblyglyphidodon aureus) and other schooling fish swim around the coral head topped with Elkhorn Coral in the South Pacific ocean near Tavarua Island offshore from Liti Levu, Fiji.

A Blackside Hawkfish (Paracirrhites forsteri) swims over the red tentacles of a sea fan in the warm clear waters off the coast of Likuri Island, Fiji.

A Black Sea Turtle (Chelonia mydas agassizi) with a remora trying to attach, swims through a school of fish in the clear South Pacific ocean near Tavarua Island off the coast of Liti Levu, Fiji.

A Black Sea Turtle (Chelonia mydas agassizi) swims in the clear South Pacific ocean off the coast of Tavarua Island, Fiji in March 2012.

A West Indian Manatee surfacing in the shallow clear freshwaters of Fanning Springs, a state park in northeast Florida.

A Spotfin Lionfish flares it's dorsel spines and fins to display threat while laying on a colorful reef at night in the warm clear waters of Papua New Guinea. Lionfish float fearlessly around the reef as they are also one of the most venomous residents there.

A large Southern Stingray (Dasyatis americana), lays motionless covered in sand but ready to fly away with wing tips slightly elevated above the sand, alongside a coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

A Spotfin Butterflyfish (Chaetodon ocellatus) feeding off the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

A large spotted pufferfish swims in for a closer look at the photogrpher's camera off the coast of Key Largo, Florida.

A Gray Angelfish (Pomacanthus arcuatus) swims by diamond and fire corals in the shallow waters of the Atlantic Ocean off the coast of Key Largo, Florida.

A Blue Parrotfish (Scarus coeruleus) swimming up after munching on the coral reef below in the Atlantic Ocean off the coast of Key Largo, Florida.

A Blue Chromis (Chromis cyanea) swims into the current to maintain station over a colorful reef in the Atlantic Ocean off the coast of Key Largo, Florida.

Trumpetfish (Aulostomus maculatus) close-up of head, Atlantic Ocean, Key Largo, Florida.

A Neon Goby (Gobiosoma oceanops) takes a look outside its hole in the live boulder star coral (Montastraea annularis), Key Largo, Florida.

A large Goliath Grouper, Epinephelus itajara, effortlessly floats by and over the City of Washington shipwreck in about 60 feet of water off the coast of Key Largo, Florida.