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Why You Should Wait for Winter to Visit Yellowstone

Yellowstone National Park is one of America's beloved national parks, sitting within the volcanic northwest corner of Wyoming, with a subterranean network of lava and heat that bursts in the form of geysers, muddy paint pots, and hot springs on the surface. But all this heat coming from below doesn't exactly keep the skies from [...]

November 21, 2011
10:36 PM EST
Photo: Layne Kennedy/CORBIS