cactus thickets in the rays of the setting sun, saguaro national park, southeastern arizona, united states

america arizona autumn beautiful cactaceae cacti cactus carnegiea cedar cloud country county desert evening fall family flora gigantea green landscape national natural nature north october park pima plant rays saguaro salt scene scenery scenic setting sky sonoran southeastern southwestern states summer sun sunlight sunny sunset tamarisk tamarix thicket thickets travel united usa view