U.S. News Insider Tip: Escape the crowds directly in front of Old Faithful and enjoy the geyser's eruption from the second-floor outdoor balcony of the Old Faithful Inn, another national treasure.

From Old Faithful to the lesser-known (but bigger!) Steamboat Geyser in the park's Norris Geyser Basin, Yellowstone is perhaps the best place in the world to see and learn about these hydrothermal ...

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 ...

From hidden thermal hot spots to secret hiking trails, the park is packed with hidden wonders, and we are here to tell you ...

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 ...

U.S. News Insider Tip: Some visitors, especially kids, might have respiratory discomfort at Norris Geyser Basin, as the sulfur smell can be strong. – Catherine Parker Old Faithful may be ...

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

The more recent study, however, suggested that Old Faithful Geyser was erupting long before the tree grew on the geyser’s mound, and that trees grew on and around the mound between approximately ...