Casa Grande Ruins National Monument

Casa Grande Ruins was set aside on March 2, 1889, proclaimed as the nation’s first prehistoric and cultural site on June 22, 1892, and re-designated as Casa Grande National Monument on August 3, 1918. In subsequent years, and by 1991, it was recognized as Casa Grande Ruins National Monument.
The monument is named for the Casa Grande (Great House), a four-story prehistoric structure constructed by the Ancient People of the Sonoran Desert who inhabited the beautiful Sonoran Desert from 500 to 1400 A.D. Casa Grande Ruins National Monument protects the finest architectural example of 13th Century Hohokam culture and archeology in the American Southwest.

Casa Grande Ruins, the nation's first archeological preserve, protects the Casa Grande and other archeological sites within its boundaries, including remains of a walled village near the Big House and vestiges of other villages nearby.

The Visitor Center maintains an information counter, a museum exhibit area, a book store, a public phone, rest rooms and drinking fountains.