• Winter visitors watching geysers erupting

    Yellowstone

    National Park ID,MT,WY

Inside Yellowstone - Midway

 
More Information

How Geothermal Features Work
http://www.nps.gov/yell/naturescience/geothermal.htm

Geothermal Resources in Yellowstone
http://www.nps.gov/yell/naturescience/geothermalresources.htm

Did You Know?