Ключевые слова: adventure, america, attraction, beauty, caldera, california, conservation, creek, forest, geothermal, hiking, hill, hot, lake, landscape, long, mammoth, mountain, national, nature, nevada, outdoors, park, peak, range, recreation, reservation, river, rocky, scenic, sierra, ski, sky, snow, spain, spring, states, tour tourism, tourism, tourist, tranquil, travel, united, usa, valley, water, western, white, wilderness,