A cactus (family Cactaceae), Stenocereus thurberi, widespread in Mexico, but in the United States, found only at , so named because of its resemblance to organ pipes
National monument, southwestern Arizona, U.S., at the Mexican border. It was established in 1937. With an area of 330,689 acres (133,929 hectares), it preserves segments of the mountainous Sonoran Desert and is named for the organ-pipe cactus. Wildlife includes Gila monsters, antelope, coyotes, and a variety of birds
The largest of all musical instruments, played from an organ console which produces its sound by sending air through whistles and/or reeds called organ pipes, by direct mechanical action, or modernly, electrically