Ключевые слова: activity, adventure, american, attraction, beauty, celebration, clouds, day, ecosystem, environment, eruption, excitement, experiences, exploration, faithful, family, fauna, features, flora, geological, geothermal, geyser, group, historic, hot, journey, jump, landmark, landscape, mountain, mountains, national, natural, nature, old, outdoor, park, peaceful, phenomena, pristine, range, relaxation, scenery, scenic, sightseeing, site, sky, thrill, tourists, travel, trip, vacation, view, visitors, volcanic, water, west, wildlife, wonder, yellowstone,