a smooth curve of the channel of the colorado rive, alley, arizona, autumn, bay, big sur, bryce canyon national park, california, canyon, charleston, clouds, clouds ., coast, creek, forest, glacier national park, glen canyon, grand teton, grand teton national park, hdr, horseshoe, horseshoe bend, house, julia pfeiffer burns state park, lake, mcveigh, mcway falls, montana, mountain, mountains, national park, oaks, ocean, pacific ocean, palma, reflection, river, road, rock, scully, sequoia national park, sky, south carolina, spruce, square wave, state, stones, sunset, tree, trees, tunnel, united states, usa, utah, waterfall, wyoming, zion national park