Sitting in the heart of Yellowstone's West Thumb area is Yellowstone Lake, the park's largest body of water and the largest high-elevation lake above 7,000 feet in North America. The lake is 20 ...

Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say ... pictured as a single underground lake of lava beneath volcanos, but newer ...

The route from Salt Lake City ... such as Forks of Cascade Canyon guide hikers past stunning glacial formations. Just a stone ...