Fort Walton Mound — Wikipedia

The Fort Walton Mound (8OK6) is an archaeological site located in present-day Fort Walton Beach, Florida, United States. The large platform mound was built about 850 CE by the Pensacola culture, a local form of the Mississippian culture. Because of its significance, the mound was designated a National Historic Landmark in 1964. Still reduced by time, the massive mound is still 12 feet (3.7 m) high and 223 feet (68 m) wide at the base. It was an expression of a complex culture, built by a hierarchical society whose leaders planned and organized the labor of many workers for such...