Named after William Moultrie, who oversaw its construction as colonel of the South Carolina militia in 1776, Fort Moultrie has seen more than 170 years of history, from the American Revolution through World War II. It was here that the first decisive victory for the American colonies occurred during the American Revolutionary War. See the grounds, including the site of the first palmetto fort and the World War II Harbor Entrance Command Post, as well as exhibits and a short movie in the visitors center. The entrance fee is $10 (adults); children 15 and under, free. Open daily.