"Old Faithful" is a cone geyser located in Yellowstone National Park. It is the most well known and visited of the geothermal features. It's eruptions are very predictable, occuring every 44 to 125 minutes. If you catch the sun right, a rainbow can seen in the mist as in this photo.
March 5th, 2018
Viewed 98 Times - Last Visitor from Beverly Hills, CA on 04/07/2019 at 7:45 AM