A woman suffered severe burns on her leg after hiking off-trail in Yellowstone National Park and falling into scalding water in a thermal area near the Old Faithful geyser, park officials said.

During this time a whopping 3,700 to 8,400 gallons of water spew out of the geyser. There are a couple of ways you can behold Old Faithful's power: You can join the hordes of tourists who gather ...

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 ...