Arizona-Casa Grande National Park

Location:Casa Grande National Monument - 1100 West Ruins Dr.

History:Casa Grande, or Big House, is probably an ancient monastery and astronomical observatory. The Hohokam Indians lived in this area from 200 B.C. to A.D. 1100 and probably built this structure to train medicine priests from many different tribes. This unique three-story adobe building sits atop a one-story platform, and windows and holes are constructed to observe specific astronomical objects.

Witnesses:The ghost of Indians performing strange ceremonies have been seen here and at other sites in the region. While driving on the desert roads at the base of Casa Grande Mountain late at night, or walking around, a black mist will appear. It will follow those walking in the desert.