Ключевые слова: adventure, america, bacteria, colorful, destination, discover, elements, elevation, falls, flowing, formation, geological, geothermal, high, hot, idaho, large, mammoth hot springs, minerals, montana, mountains, nature, north, outdoor, outside, pool, scenic, season, steam, summer, top, tourism, united states, vacation, volcanic, water, white, wilderness, wonder, wyoming, yellowstone national park,