Some pictures:
This is one of the few regularly erupting geysers in the
world. Fed by an underground river, the water heats up to 350 degrees
Fahrenheit and erupts about every 30 minutes for 1 to 2 minutes,
spewing 60 feet into the air.
(click on the small pictures to see it
full size below. Use the arrows to see more pictures, there are
3 picture in this series)