Grand Gulf Military State Park
Grand Gulf Military State Park is a Mississippi state park located 10 miles northwest of Port Gibson in an unincorporated area, now the ghost town of Grand Gulf, in Claiborne County, Mississippi. The park includes the remnants of two batteries that fired on and repelled Ulysses S. Grant's forces during the Battle of Grand Gulf.
Source: Wikipedia — Grand Gulf Military State Park (CC BY-SA 4.0)