Castle Pinckney

About

Castle Pinckney is a small masonry fortification constructed by the United States government, in the harbor of Charleston, South Carolina, in 1810. It was used very briefly as a prisoner-of-war camp (six weeks) and artillery position during the American Civil War. It was named to the National Register of Historic Places in 1970.

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.