As one of the nation’s most visited national ... park via snowmobile. Yellowstone Vacations offers both private and group tours from the park’s west entrance, with destinations including Old ...

Visitors from around the world came to experience that gorgeous place with its dense forests, bubbling geysers, deep canyons ...

The Grand Prismatic Spring is the most recognizable thermal feature of Yellowstone National ... and the Upper Geyser basin, which is where we find places like Old Faithful.

PS editor Taylor Andrews traveled to Yellowstone to embrace her inner Dutton — here's how the National Park compared to the ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

A Yellowstone National Park visitor was injured by a bison ... The woman had walked toward the bison on a boardwalk near the Old Faithful geyser and came within 10 feet. A 34-year-old Colorado ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...