Ключевые слова: beauty in nature, boulder rock, cave, cliff dwelling, color image, environment, erosion, extreme terrain, famous place, footpath, geology, glacier, hike, hocking hills state park, hollow, horizontal, landscape scenery, moss, mountain, national landmark, natural landmark, natural parkland, nature, no people, ohio, outdoor pursuit, outdoors, park, public park, ravine, rock, rock object, rock formation, sandstone, sedimentary rock, step, stone, tourism, tranquility, travel, travel destinations, us forest service, usa, vacations, walk, weathered, weekend activities, wilderness area,