Tourists at Firehole River, Yellowstone National Park, Wyoming, USA

america american area areas at being beings bodies body child children conservation countryside day daylight daytime during energy exterior exteriors firehole fluvial geologic geological geologically geology geothermal geothermic heat heritage heritage hot hot spring hot springs human humans kid kids landscape landscapes look look out lookout male man men national national natural nature north observation of out outdoor park park parks people person persons photo photos point pointing points power preserve preserves reserve reserves river river rivers sanctuaries sanctuary scenery scenic shot shots site sites spring springs states steam steaming the thermal topography tourism tourist touristic touristical touristically tourists tourists touristy two unesco united us us american usa vapor vapour view viewing views warm warmness warmth water waters wildlife world world wyoming yellowstone