(California)
Old Sacramento State Historic Park occupies around one third of the property within the Old Sacramento Historic District of Sacramento, California. The Old Sacramento Historic District is a U.S. National Historic Landmark District. The Historic District is sometimes abbreviated as Old Sacramento, or Old Sac, and since the 1960s has been restored and developed as a significant tourist attraction. (Ref: https://en.wikipedia.org/wiki/Old_Sacramento_State_Historic_Park)