This ceremonial mound, one of the largest ever discovered, dates from A.D. 1200. The museum showcases some of its 6,000 ceramic artifacts from southeastern American Indian tribes, the nation's largest such collection. Exhibits depict the lifestyles of the four tribes that lived in the Choctawhatchee Bay region for 12,000 years.

The museum is located within the City of Fort Walton Beach Heritage Park & Cultural Center, which also includes the Camp Walton Schoolhouse Museum, Garnier Post Office Museum, and the Civil War Exhibit Building, which are all open from 10:30am to 2:30pm Tuesday through Saturday and included in the admission.