Emerald Mound

awildernessgirl has added a photo to the pool:

This is the second largest temple mound in the United States. Only Monks Mound in Cahokia, Illinois is larger. This eight acre mound, constructed from a natural hill, was built and used from about 1300 to 1600 by the Mississippians, ancestors of the Natchez Indians. Emerald mound supported temples, ceremonial structures, and burials of a complex society's civic and religious leaders