a smooth curve of the channel of the colorado rive, antelope canyon, arizona, bryce canyon national park, canyon, cave, chocolate waterfall, clouds, colorado river, dawn, desert, flows of mud, forest, geological structures hood, glen canyon, horseshoe, horseshoe bend, morning, mountain, national park bryce canyon, nature, river, river horseshoe, rock, sand, sky, snag, snow, square wave, stones, sun, sunset, textures, the sands of time, tree, united states, utah