For every Old Faithful and Grand Canyon of the Yellowstone, there's a host of other obscure places like The Gumper, Lactose ...

and pools next to Old Faithful Geyser in Yellowstone's Upper Geyser Basin. Geyser Hill is a must for any Yellowstone visitor.

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 sounds like an oxymoron – unpredictable Old Faithful – but it’s true! I’m writing this Spiritually Speaking column from Yellowstone National Park where the most famous ...

Catherine Parker This world-renowned geyser is a must-see for ... Visit the National Park Service's Old Faithful Area page for more information. Yellowstone”Open Air” Glass Top Convertible ...

Yellowstone is one of the top National Parks in the country and is well worth a visit. Check out this 4 day Yellowstone itinerary for first-timers.

including “The story of Old Faithful,” “Studies of geysers and hot springs along the Firehole River, Yellowstone National Park, Wyoming,” and “Story of Great Fountain Geyser to 1965 ...

Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

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

Smithsonian American Art Museum Rainbow over the Grand Canyon of the Yellowstone Smithsonian American Art Museum Old Faithful Geyser, Yellowstone National Park Smithsonian American Art Museum Hymen ...

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 ...