Photo #24429 - Buffalo Bill State Park Information Center & Buffalo Bill Dam Roadside turnout, Large paved turnout, south side of highway. Photo taken from roadside turnout. 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.