-US National Monument
-The ruins are one of the largest prehistoric structures in North America, rising from the Sonoran Desert floor near the Gila River
-The Hohokam Indians of the Gila Valley built the 14th-century structure, which is the largest known structure they built
-The name "Casa Grande" means "great house" or "big house" in Spanish
-The ruins preserve an Ancestral Sonoran Desert People's farming community and "Great House"
