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Juvenile Crabs migrating through Flying Fish Cove, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning on Land, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning from Sea, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning on Land, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs feeding on Cuticle, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs migrating through Flying Fish Cove, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs migrating through Flying Fish Cove, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs migrating through Flying Fish Cove, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning from Sea, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning from Sea, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning on Land, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs migrating through Flying Fish Cove, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs migrating through Flying Fish Cove, Gecarcoidea natalis, Christmas Island, Australia
Tourists exploring White Island Volcano, an active volcano in the Bay of Plenty, North Island, New Zealand, Pacific
Champagne Pool, in Waiotapu geothermal area, Rotorua, North Island, New Zealand, Pacific
Clouds of Crab Larvae swirl near Shore, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning from Sea, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning from Sea, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs feeding on Cuticle, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs feeding on Cuticle, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs feeding on Cuticle, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning on Land, Gecarcoidea natalis, Christmas Island, Australia
Juvenile Crabs returning from Sea, Gecarcoidea natalis, Christmas Island, Australia
Lava flow from the Monti Calcarazzi fissure that threatened Nicolosi on the south flank of Mt. Etna, Sicily, Italy, EuropeThe Piano del Lago cone (above) destroyed the Sapienza cable car.
Oxbow Bend, Snake River and Tetons, Grand Tetons National park, Wyoming, USA
Salt lake, north Victoria, Australia, Pacific
The Negribreen (Negri Glacier), in Olav V Land on the island of Spitsbergen in the Svalbard Archipelago, Norway, Arctic, Europe
Lava and ash floes in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
The Lindblad Expedition ship National Geographic Explorer near glacial run-off in the Svalbard Archipelago, Norway, Arctic, Europe
Floating icebergs in the Nuuk Icefjord, Western Greenland, Denmark, Polar Regions
The Milky Way arches high in the night sky above Roques de Garcia in Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Europe
View of Northern Lights (Aurora borealis) and Pleasley Colliery Headstocks, Bolsover, Derbyshire, England, United Kingdom, Europe
Northern Lights in the arctic wilderness, Nordland, Norway.
Aurora Borealis over Nova Mountain Wilderness, Troms, Norway.
Moonlight and aurora borealis, Forramarka, Troms, Norway.
Northern Lights in the arctic wilderness, Nordland, Norway.
Northern Lights in the arctic wilderness, Nordland, Norway.
Northern Lights in the arctic wilderness, Nordland, Norway.
Aurora Borealis over a frozen river, Klubbfjellet Mountain, Nordland, Norway.
Aurora Borealis over a frozen river, Klubbfjellet Mountain, Nordland, Norway.
Aurora Borealis over a frozen river, Klubbfjellet Mountain, Nordland, Norway.
Aurora Borealis, Tennevik Lake, Troms, Norway.
Aurora Borealis, Forramarka, Troms, Norway.
Aurora Borealis, Forramarka, Troms, Norway.
Aurora Borealis over Sandvannet Lake in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
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 Tjeldsundet in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
Aurora Borealis and a shooting star in the woods of 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.
Aurora Borealis over Sandvannet Lake in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
Aurora Borealis over Sandvannet Lake in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
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 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.
Aurora Borealis over Skittendalstinden in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
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.
Aurora Borealis over Mikkelfjellet Mountain in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
Aurora borealis over Sandvannet Lake in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
Aurora Borealis in Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.
February 24, 2013 - Mushroom shaped ash cloud produced by powerful explosive eruption of Sakurajima volcano, Kagoshima, Japan.
February 24, 2013 - Ash cloud rising following eruption of Sakurajima volcano, Japan
February 24, 2013 - Powerful explosive eruption of Sakurajima volcano, Japan. Ash cloud rises against blue sky.
February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible.
February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible. Static lightning discharges are visible at top of picture.
April 1, 2012 - Lava flowing into Valle del Bove at Mount Etna Volcano, Italy, following paroxysmal eruption.
April 1, 2012 - Nighttime paroxysmal eruption at Mount Etna Volcano, Italy. Steam cloud rising as lava melts snow in Valle del Bove.
January 24, 2012 - Lava in crater glowing during blue hour on Nyamuragira Volcano, Kimanura Eruption.
January 22, 2012 - Glowing lava in crater illuminating gas cloud above Nyamuragira Volcano, Kimanura Eruption.
September 12, 2009 - Plume Geyser eruption, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.
September 12, 2009 - Castle Geyser eruption with rainbow, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.
September 12, 2009 - Castle Geyser eruption with rainbow, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.
September 12, 2009 - Sawmill Geyser, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.
September 11, 2009 - White Dome Geyser erupting, Lower Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.
June 2006 - Ejection of lava during nighttime Strombolian eruption of Stromboli volcano, Aeolian Islands, Mediterranian Sea, Italy.
December 22, 2007 - Lava flowing from a small lava shield on the flank of Pacaya volcano, Guatemala.
January 21, 2011 - Nighttime view of summit caldera with lava lake, Nyiragongo Volcano, Democratic Republic Congo.
May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.
December 12, 2005 - Eruption of ash cloud from Santiaguito dome complex, Santa Maria volcano, Guatemala.
December 11, 2005 - Eruption of ash cloud from Santiaguito dome complex, Santa Maria volcano, Guatemala.
December 30, 2007 - Lava is flung high in the air during a nighttime eruption of Fuego volcano, Antigua, Guatemala.
Aurora Borealis, Kathleen Lake, Yukon, Canada.
Aurora Borealis, Kathleen Lake, Yukon, Canada.
Aurora Borealis, Kathleen Lake, Yukon, Canada.
Aurora Borealis, Fish Lake, Whitehorse, Yukon, Canada.
Aurora Borealis, Fish Lake, Whitehorse, Yukon, Canada.
Aurora borealis over Nares Lake, Carcross, Yukon, Canada.
Aurora borealis over Bove Island, Windy Arm, Carcross, Yukon, Canada.
Aurora borealis over Bove Island, Windy Arm, Carcross, Yukon, Canada.
Red aurora borealis over Carcross Desert, Carcross, Yukon, Canada.
Red aurora borealis, shooting star, and Milky Way over Carcross Desert, Carcross, Yukon, Canada.
Red aurora borealis over Carcross Desert, Carcross, Yukon, Canada.
Aurora borealis over the Yukon River, Whitehorse, Yukon, Canada.