 It is open every day through the year, and hosts nearly 400,000 visitors annually, including visitors from abroad.The museum is an accredited member of the Association of Zoos and Aquariums, a member of the American Alliance of Museums and the American Public Gardens Association.Founded in 1952, the Arizona-Sonora Desert Museum interprets the complete natural history of a single region—the Sonoran Desert and adjacent ecosystems—with plants and animals from the region featured together in its exhibits.