Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

america american area areas chalk conservation countryside day daylight daytime during energy exterior exteriors geologic geological geologically geology geothermal geothermic geyser geysers heat heritage hot hot hot spring hot springs in landscape landscapes lime limestone limestones lower mammoth minerva national national natural nature nobody north of outdoor park park parks photo photos power preserve preserves reserve reserves rock rocks sanctuaries sanctuary scenery scenic sediment sedimentary sedimentation sediments seeing shot shots sight sights sinter source sources spring spring springs springs states stone stones stromatolite stromatolites terrace terrace terraces terraces terracing the thermal unesco united us us american usa well wells wildlife world worth wyoming yellowstone