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 ...

Although not as famous as Old Faithful Geyser or Grand Prismatic Spring, the features of West Thumb Geyser Basin are some of the most varied and beautiful in Yellowstone National Park. From hot pools ...

The West Thumb Geyser Basin is located ... and has 141 miles of shoreline. Old Faithful - Old Faithful is one of the big icons of Yellowstone National Park. Mud Volcano - Just up the road from ...

At WTGB, an array of red, orange, pink, and green thermophilic bacteria are common along drainage channels, on the sinter ...

The service closed the area, a few miles from the Old Faithful geyser. A US Geological Survey ... the "rapid ejection of boiling water, steam, mud, and rock fragments". They can reach heights ...

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.