Grand Prismatic Spring ascended from a beautiful backwater spot to the second most popular destination in Yellowstone ...

Old Faithful Inn seems like a nearly indestructible log building that survived the historic Yellowstone Fire of 1988, a 7.8-magnitude earthquake and harsh winters that blow snow high up the sides.

Yellowstone National Park fans who tuned into the Old Faithful webcam Thursday morning were thrilled to see wolves strolling across the iconic thermal region. "What a view this morning!" ...

Surrounding Old Faithful are parking lots ... the Grand Canyon of the Yellowstone is the primary attraction in the Canyon Village area and one of the park's most popular hiking spots.

A magnitude 3.9 earthquake was measured near Norris Geyser Basin in Yellowstone National Park on Tuesday evening. It's the ...

A huge herd of bison trekked across a snowy valley in Yellowstone National Park in a stunning video. Yellowstone Forever, a ...

This story appears in the December 2016 issue of National Geographic magazine. Become a member of National Geographic to explore more incredible images and stories from our archives. The star of ...

It’s no secret that Yellowstone National Park can be jampacked in the summer, when up to 1 million people jockey for space ...

For Yellowstone’s neighbor to the south, Grand Teton National Park, the cost surpasses $200 million. Almost like clockwork, every 60 to 110 minutes, Old Faithful shoots out a jet of steam and ...

Home to more than 2.2 million acres, hundreds of geysers and waterfalls, as well as Yellowstone Lake – the largest high-altitude lake in North America – Yellowstone National Park is a bucket ...

Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in the park. Its average interval between eruptions is about 76 minutes ...