Ключевые слова: america, american, badlands, barren, canyon, dakota, desert, geology, grand, grand canyon, high, history, landmark, landscape, landscapes, lincoln, medora, midwest, monument, mountain, mountains, national park, north dakota, nps, outdoors, park, president, ridge, ridges, rock, rocks, roosevelt, sculpture, sky, summer, theodore, theodore roosevelt, theodore roosevelt national park, thomas jefferson, tourism, travel, tree, us, usa, wilderness,