Ключевые слова: arid climate, brown, colorful, destination, discovery, earth science, erosion, exploration, geography, geological formation, geology, green, hiking, hills, landmark, landscape, layers, mountain range, natural beauty, nature, oregon, outdoors, painted hills, red soil, remote, sediment, shades, sightseeing, terrain, topography, tourist attraction, travel, trekking, unique, uses, yellow,