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 ...

In other words, this is one massive park! Still, one of the most popular spots has to be Old Faithful. This geyser was given its name for a reason. Unlike most other geysers, this one’s eruptions are ...

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.