Fort Delaware, the Union fortress dating back to 1859, once housed Confederate prisoners of war. It was originally built to protect the ports of Wilmington and Philadelphia.

Fill your day with hands-on history. Help the blacksmith hammer out new parts for a cannon or work with the laundress. Be on hand when the 8-inch Columbiad gun fires a live gunpowder charge! See a replica of Pea Patch Island as it appeared in 1864 and artifacts from the Island's past.