Fort Miles Museum open, 10 a.m. to 4 p.m. Cape Henlopen State Park, Lewes. Housed underground in Battery 519, museum, adjacent artillery park, & cantonment area showcase WWII coastal defense & daily life for soldiers & civilians stationed at Fort Miles. Museum is staffed with FMHA docents; guided tours of working part of battery are $6 at 11 a.m. & 2 p.m. Gift shop open 10 a.m. to 4 p.m. For information go to fortmilesmuseum.org.