Casa Grande Ruins National Monument located in Arizona preserves Hohokam Culture and ruins of the largest prehistoric structures ever built in North America. It is hard to believe that the Great ...

Casa Grande Ruins National Monument located in Arizona preserves Hohokam Culture and ruins of the largest prehistoric ...

Coolidge, Arizona, U.S.A. - February 28, 2018: Casa Grande Ruins National Monument. Built by ... [+] ancient Sonoran Desert people circa 650 A.D. to 1450 A.D. The large house had Summer solstice ...

perhaps it's time to take them to the Big House in the Desert -- better known as Casa Grande Ruins National Monument. Built around 1350, the four-story Big House sits at the center of a small ...