Organ pipe cactus (Stenocereus thurberi) at sunset, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

photography vertical travel destinations travel organ pipe cactus cactus organ pipe cactus national monument national monument sonoran desert desert arid climate arizona usa north america outdoors sunset dusk no people landscape clear sky sky sunshine sunlight silhouette rock hill nature travel destination tourist destination tourist destinations sunny sundown evening twilight rocks rock formations outdoor outside nobody no one no person landscapes hills physical geography deserts hot heat arid dry