Ключевые слова: architecture, arizona, blue, building, canyon, colorado, desert, desert view, desert view watchtower, dry, geological, geology, grand, grand canyon, grand canyon national park, guard, historic, indian, indian tower, inspirational, landmark, landscape, national, national park, native, nature, old, outdoor, overlook, panoramic, park, scenic, sky, southwest, stone, tourist, tower, travel, view, viewpoint, vista, watchtower,