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National Geographic Explorer
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Lone Adelie Penguin (Pygoscelis adeliae) and mountains along Booth Island Antarctica
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Lone Adelie Penguin (Pygoscelis adeliae) and mountains along Booth Island Antarctica
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Lone Adelie Penguin (Pygoscelis adeliae) and mountains along Booth Island Antarctica
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Curious Polar Bear (Ursus maritimus) close approach to National Geographic Explorer as tourists view and take photographs; Svalbard Norway Photo by
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Curious Polar Bear (Ursus maritimus) walks on melting ice pack as tourists view; Svalbard Norway Photo by Ralph Lee Hopkins Design Pics
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Curious Polar Bear (Ursus maritimus) approaches ships bow National Geographic Explorer as tourists view and take photographs; Svalbard Norway Ph
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Polar Bear (Ursus maritimus) on close approach standing on its hind legs and looking at the camera; Svalbard Norway Photo by Ralph Lee Hopkins D
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Mrs Franklin Adams nee Harriet Chalmers at Zoo with Llama 1912 American explorer writer and photographer Harriet Chalmers Adams She lectured f
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Polar Bears (Ursus maritimus) on multi-year pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Polar bear walking on pack ice Horsund Fjord Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bear walking on pack ice Horsund Fjord Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bear walking on pack ice Horsund Fjord Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Mrs Franklin Adams nee Harriet Chalmers at Zoo 1912 American explorer writer and photographer Harriet Chalmers Adams She lectured frequently o
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Polar bears Norway
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Adelie penguin (Pygoscelis adeliae) walking on pack ice Weddell Sea AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Adelie penguins (Pygoscelis adeliae) gather along the shoreline Paulet Island AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Adelie penguin (Pygoscelis adeliae) walking on pack ice Weddell Sea AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Dual Jump Ice Adelie penguins Pygoscelis adeliae Danger Islands AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo penguin Antarctica South Shetland Islands
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Gentoo penguin Antarctica South Shetland Islands
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Bearded penguin Antarctica South Shetland Islands
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Brown Skua (Stercorarius antarcticus) steals Chinstrap Penguin (Pygoscelis antarcticus) egg at Half Moon Island South Shetland Islands AntarcticaAn
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An engraved watch that is believed to be the watch carried by African-American Matthew Henson (1866-1955) on his exploration of the North Pole along w
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Bearded penguin Antarctica South Shetland Islands
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Chinstrap Penguins (Pygoscelis antarcticus) showing courtship behavior at Half Moon Island South Shetland Islands AntarcticaAntarctic PeninsulaAnt
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Bearded penguin Antarctica South Shetland Islands
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Gentoo Penguins (Pygoscelis papua) on pack ice in Lemaire Channel AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo Penguins (Pygoscelis papua) on pack ice in Lemaire Channel AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo Penguins (Pygoscelis papua) waling on pack ice in Lemaire Channel AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Adelie penguin (Pygoscelis adeliae) on fresh snow AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo penguin Antarctica
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Gentoo penguin Antarctica
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Equipment from U S Army and National Geographic Society Stratosphere Balloon quot;Explorer 2quot; 208mm long 85mm wide 104mm 102 high; damaged i
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Gentoo Penguin (Pygoscelis papua) defending nest from Brown Skua (Stercorarius antarcticus) at Port Lockroy AntarcticaAntarctic PeninsulaAntarctica
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Gentoo Penguin (Pygoscelis papua) jumps from blue iceberg Cuverville Island AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo Penguins (Pygoscelis papua) jump from iceberg Cuverville Island AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo penguin Antarctica
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Gentoo Penguins (Pygoscelis papua) jumps from iceberg Cuverville Island AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Gentoo Penguin (Pygoscelis papua) Framed by blue iceberg Cuverville Island AntarcticaAntarctic PeninsulaAntarctica Photo by Ralph Lee Hopkins
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Emperor Penguins (Aptenodytes forsteri) on sea ice Weddell Sea AntarcticaWeddell SeaAntarctica Photo by Ralph Lee Hopkins
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Emperor Penguins (Aptenodytes forsteri) on sea ice Weddell Sea AntarcticaWeddell SeaAntarctica Photo by Ralph Lee Hopkins
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Worlds largest penguin Emperor Penguins (Aptenodytes forsteri) on sea ice Weddell Sea AntarcticaWeddell SeaAntarctica Photo by Ralph Lee Hopki
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Polar bear (Ursus maritimus) with nose in water Svalbard NorwaySvalbardNorway Photo by Ralph Lee Hopkins
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Polar bear (Ursus maritimus) mother and cub walking across melting pack ice Svalbard NorwaySvalbardNorway Photo by Ralph Lee Hopkins
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Polar bear (Ursus maritimus) sleeping on pack ice Svalbard NorwaySvalbardNorway Photo by Ralph Lee Hopkins
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Polar bear (Ursus maritimus) sleeping on pack ice Svalbard NorwaySvalbardNorway Photo by Ralph Lee Hopkins
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Norway
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Polar bears Norway
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Polar bear (Ursus maritimus) rolling on pack ice Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Leaping sequence Polar bear (Ursus maritimus) leaping between ice flows Northeast Svalbard Nature Preserve Svalbard NorwaySvalbardSvalbardNorwa
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Polar bears Norway
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Leaping sequence Polar bear (Ursus maritimus) leaping between ice flows Northeast Svalbard Nature Preserve Svalbard NorwaySvalbardSvalbardNorwa
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Polar bears Norway
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Polar bears Norway
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Drippin wet Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee
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Drippin wet Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee
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Polar bears Norway
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Reflection Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee
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Head in water Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph
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Reflection Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Norway
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Polar Bear (Ursus maritimus) on the pack ice Arctic Ocean Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Polar bears Norway
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Polar Bear (Ursus maritimus) on seal kill with Glaucous Gulls (Larus hyperboreus) in the fog Svalbard NorwaySvalbardSvalbardNorway Photo by Ralp
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Polar bear (Ursus maritimus) sleeping on pack ice Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Polar Bears (Ursus maritimus) on multi-year pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bears (Ursus maritimus) on multi-year pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Three Polar Bears (Ursus maritimus) on pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bears (Ursus maritimus) on multi-year pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar bears Norway
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Three Polar Bears (Ursus maritimus) on pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Three Polar Bears (Ursus maritimus) on pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Three Polar Bears (Ursus maritimus) on pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Three Polar Bears (Ursus maritimus) on pack ice Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus arctos) and reflecting pool Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus arctos) and reflecting pool Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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Polar Bear (Ursus arctos) and reflecting pool Hinlopen Strait Svalbard NorwaySvalbardSvalbardNorway Photo by Ralph Lee Hopkins
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National Geographic Explorer
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Lone Adelie Penguin (Pygoscelis adeliae) and mountains along Booth Island Antarctica
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Lone Adelie Penguin (Pygoscelis adeliae) and mountains along Booth Island Antarctica
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Lone Adelie Penguin (Pygoscelis adeliae) and mountains along Booth Island Antarctica
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Curious Polar Bear (Ursus maritimus) close approach to National Geographic Explorer as tourists view and take photographs; Svalbard Norway Photo by
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Curious Polar Bear (Ursus maritimus) walks on melting ice pack as tourists view; Svalbard Norway Photo by Ralph Lee Hopkins Design Pics
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