The video shows footage of a woman walking far beyond the designated viewing area on the boardwalk, dangerously close to Old Faithful. When the entitled tourist was approached by a park ranger ...

Visit the National Park Service's Old Faithful Area page for more information. Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces ...

The chance to see Earth's raw geothermal power up close is pretty special. From Old Faithful to the lesser-known (but bigger!) Steamboat Geyser in the park's Norris Geyser Basin, Yellowstone is ...

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 ...