Tourists on a jetty in the thermal area, steaming hot spring, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

american americas attraction footbridge geothermal area geothermal power geothermal grand prismatic spring hot incidental people landscape conservation area midway geyser basin mineral deposit reserve spring steaming steam thermal lake thermal spring tourism touristic tourist travel turquoise us american usa waters water vapor water way wyoming yellowstone national park