Visitors on footbridge over steaming hot spring with coloured mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

american americas blue sky blue colorful daytime footbridge forest geothermal area geothermal power geothermal good weather grand prismatic spring hot incidental people landscape conservation area midway geyser basin mineral deposit mountain multicolored overview reserve sky spring thermal lake thermal spring travel turquoise us american usa visitor waters water way wyoming yellowstone national park