Yellowstone National Park - ptlee

Yellowstone National Park

Upper Terrance, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA

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Upper Terrance, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA

Family Mammoth Hot Springs Midwest Nature Travel Trip USA Yellowstone attraction bacteria barren caldera dead deposit deposits eerie feature geological geology geothermal heat landscape limestone national parks park petrified scenery scenes scenic sediment steam terrace terraces thermal trees upper vacation view water white