Old Greenland map from 1747
The drilling rig beneath the ice at Camp Century, circa 1965. The goal was to remove an ice core that went from the top of the ice sheet to the bedrock. (Herb Ueda)
Robert Peary, after crossing the ice sheet's northern region in 1892, planted the U.S. flag at Navy Cliff on the east coast. (U.S. National Archives)
During Nansen's 1888 crossing, his men made the arduous trek that involved pulling their gear-laden sleds by rope. (National Library of Norway)
Robert Peary's Greenland expedition of 1891-92. Peary is at rear right, in a hat; next to him is his wife Jo. (U.S. National Archives)
Fridtjof Nansen. Though Nansen's and Ramussen's careers as Greenland explorers did not overlap, the men became close friends later in life.
Knud Ramussen (Library of Congress)
A small Greenlandic village south of Jakobshavn's ice fjord.
A weathered iceberg near Jakobshavn's glacier.
Some scattered sea ice in Ilulissat's small harbor.
Decades ago, many Inuit families were "moved" to large public housing blocks in the small capital city of Nuuk.
A view from the flight deck on NASA's "Operation Icebridge," flying over a glacier at 1500 feet.
A cold, bleak day at Thule Air Force Base, in northwest Greenland
Icebergs floating out to sea after calving from Jakobshavn's glacier.
A view of the ice fjord near Ilulissat, a UNESCO "world heritage" sites.
Another view of the ice fjord near Ilulissat.