Photo #21341 - Roadside highway turnout with viewpoint - photo from view point Paved turnout. South side of highway. Looking at the Gibbon Falls YELLOWSTONE NATIONAL PARK - Madison to Mammoth Hot Springs - Montana / Wyoming State Line With half of the earth’s geothermal features, Yellowstone holds the planet’s most diverse and intact collection of geysers, hot springs, mudpots, and fumaroles. Its more than 300 geysers make up two thirds of all those found on earth.