This 45-mile snowmobile tour beside the Yellowstone River takes riders past points of interest, such as Moose Falls, Lewis Canyon and West Thumb Geyser Basin, to Old Faithful. Rides are offered ...

there aren’t a ton of amenities at the Old Faithful Inn. You’re expected to explore Yellowstone, not sit around the hotel, after all. But they do offer free tours of the hotel daily.

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

For more information, visit on the National Park Service's Grand Prismatic Spring page. Lower Loop Van Tour from West Yellowstone: Grand Prismatic and Old Faithful (295 reviews) ...

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 ...

As one of the draws in Yellowstone National Park, the Old Faithful Area offers lots of activities and tours. Old Faithful Geyser—Check in to see when it’s erupting, usually every 90 minutes.

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 ...

Reservations for the in-park lodges at Yellowstone National Park and Glacier National Park are starting to fill up for the ...