Ключевые слова: america, boil, boiling, color, colour, energy, exterior, faithful, geology, geyser, geysers, heat, hotsprings, landscape, landscapes, locations, mountain, national, natural, nature, north, old, outdoor, outdoors, outside, park, parks, phenomenon, region, scenic, scenics, states, steam, united, usa, water, west, world, wyoming, yellowstone,