Mammoth Hot Springs, Yellowstone Nationalpark, Wyoming, USA, Vereinigte Staaten von Amerika

america amerika heritage hot mammoth national nationalpark north park site springs staaten states usa united vereinigte world wyoming yellowstone american area areas calc calc sinter detail details display exterior famous format formation formations heritage horizontal known lime limestone limy mineral national natural nature outdoor outdoors outside park photo sedimentary sediments seeing sight sinter terrace terraces thermal von well known worth