landscape of the sonoran desert with saguaro cacti, saguaro national park, southeastern arizona, united states

landscape sonoran desert saguaro cacti national park southeastern arizona united states america autumn cactus carnegiea gigantea cloud country evening fall family cactaceae flora hill natural nature north pima county plant rincon mountain district mountains salt cedar scene scenery scenic setting sun sky summer sunlight sunny sunset tamarisk tamarix thicket travel typical usa view wild wilderness