Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, North America

america american area areas attraction attractions bodies body colored colorful coloured colourful conservation day daylight daytime during energy exterior exteriors geothermal geothermic grand heat hot hot spring hot springs national national natural nature nobody north outdoor park park parks photo photos power preserve preserves prismatic reserve reserves sanctuaries sanctuary shot shots site sites source sources spring spring springs states steam steaming thermal tourist united us us american usa vapor vapour water waters well wells wildlife wyoming yellowstone