Ключевые слова: area, beautiful, blue, boiling, clouds, colors, cone, crystal, dawn, dawning, deep, depth, destination, dormant, dramatic, early, endangered, erupting, exposure, famous, feature, fishing, fishing cone, fog, foggy, formation, geological, geothermal, geyser, glow, gradient, horizon, hot, lake, landmark, landscape, long, national, nature, park, spring, steam, sunrise, thermal, usa, volcano, warm, water, wyoming, yellowstone,