Published: January 2007
Learn More
In Learn More the National Geographic magazine team shares some of its best sources and other information to expand your knowledge of our featured subjects. Special thanks to the Research Division.

Related Links

Børge Ousland: Polar Explorer
See photos and videos of the explorer's many North Pole expeditions, and get information on planning your own adventure.

Explorers Web—The Poles
This is an online community of polar adventurers, providing updates, advice, maps, and statistics.

Find out how long the sun is—or isn't—up for every day at three different geographic points—the Arctic Circle, mid-Arctic, and North Pole.


McGonigal, David, and Dr. Lynn Woodworth. Antarctica and the Arctic: The Complete Encyclopedia. Firefly Books, 2001.

NGS Resources

Wieners, Brad. "Dark Alliance." National Geographic Adventure (February 2006), 50-57, 86-89.

Ehrlich, Gretel. "Last Days of the Ice Hunters." National Geographic (January 2006), 78-101.

Brandt, Anthony, and others. The North Pole: A Narrative History. National Geographic Books, 2005.

Ousland, Børge. "Big Ice: Patagonia's Southern Ice Field." National Geographic (August 2004), 62-79.

Holland, Jennifer Steinberg. "Northern Exposure." National Geographic (January 2004), 100-17.

Millman, Lawrence. "Lost in the Arctic." National Geographic Adventure (September 2002), 92-96, 119.

Ousland, Børge. "Across the Arctic: A Norwegian Goes Solo." National Geographic (March 2002), 36-47.

Ousland, Børge. "The Hard Way to the North Pole." National Geographic (March 1991), 124-34.