Ключевые слова: adventure, america, awesome, background, basin, beautiful, beauty, cloud, color, colorful, destination, ecology, environment, erosion, eruption, faithful, famous, geologic, geology, geothermal, geyser, heat, hot, landmark, landscape, mineral, montana, natural, nature, outdoor, pool, prismatic, scenic, sky, spring, steam, thermal, travel, trip, usa, volcanic, volcano, water, wild, wilderness, wonder, world, wyoming, yellowstone,