Welcome to the Arizona Historical Society.Saving Arizona's History Since 1864.The Arizona Historical Society museums are located across the state in Flagstaff, Tempe, Tucson, and Yuma. Through programs and exhibitions, AHS museums describe the historical landscape now known as Arizona while, at the same time, they reflect the regional and cultural differences that shaped local communities.The Museum at Papago Park is the principal museum in the Phoenix metropolitan area covering the changes that have made Arizona what it is today.