Giant sequoias live at high elevations, enduring cold, heavy snows. This sequoia, the President, is the second-most-massive tree known on Earth.
The December issue of National Geographic features a natural wonder familiar to Californians: the President, one of the oldest giant sequoia trees in Sequoia National Park. It's the second-largest tree on Earth, according to Steve Sillett of Humboldt State University. He climbed it to find out.