Explored Antarctica by Air and Sea
Greenlandic–Danish polar explorer and anthropologist
Heroic Age of Antarctic Exploration
Antarctic Exploration and Ornithologist
First to Cross Greenland's Ice Sheet
Polar Exploration and Diplomacy
Sought the Northwest Passage
Explored the Arctic and Mountaineering
Polar Exploration and Environmentalism
Explored Antarctica by Air and Land
First to Reach South Pole
First to Reach the North Pole
Various Extreme Expeditions
Arctic Airship Expeditions
