a geyser in the rocky mountains

alpinescenery backpacking blue boiling bridge colorado colorful evaporation famous fog fountain fountains geothermal geyser geysers great greatfountaingeyser haze heat hiking hot hotsprings kanagawa lake landscape liquid mineral mountain mountains mountainscenery nature observationdeck oldfaithfulgeyser owakudani park pit pool rocky rockymountains scenery steam summer sunrise sunset sunsets travel usa wyoming yellowstone yellowstonenationalpark