This story appears in the March 2017 issue of National Geographic magazine ... snaking into the unknown—and the promise of a new adventure waiting deep inside the Earth.

This story appears in the January 2013 issue of National Geographic magazine. In the winter of ... Shackleton’s adventure shows starkly, says Noonan, a dynamic that has driven human progress ...

But if you’re looking for the best, you want to head to the coast — at least according to National Geographic. National Geographic’s new book, Great Outdoors USA: 1,000 Adventures Across All ...

This story appears in the August 2010 issue of National Geographic magazine. We sink into Stargate, sweeping the void with our dive lights. Fifty feet from the surface looms a pale haze ...