Ключевые слова: america, american, arizona, beautiful, between, border, butte, canyon, cliff, cloud, colorado, colorado canyon, colorado canyon national park, colorado river, desert, earth, gateway, geologic, grand, guano, guano point, historic, horizon, huge, landscape, located, national, national park, nature, net, nevada, park, point, river, rock, sand, sky, southwest, state, states, travel, tribal, united, united states, united states of america, us, uses, western, western gateway, wonder,