Green's Shell Enclosure
Hilton Head Island, United States
Green's Shell Enclosure is a historic archeological site located at Hilton Head Island, Beaufort County, South Carolina. The site includes one of 20 or more prehistoric Indian shell middens in a ring shape located from the central coast of South Carolina to the central coast of Georgia. They are believed to date early in the second millennium BC, and they contain some of the earliest pottery known in North America. It was listed in the National Register of Historic Places in 1974.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).