Alexandria:10 a.m. and 2 p.m. Saturday. At Fort Ward Museum and Historic Site, hour-long, soldier- led walking tours of the fort. Free. 703-838-4848 or http:/
Westminster, Md.: Saturday and Sunday. At the Union Mills Homestead, reenactment commemorating the homestead's use as a stop along the evacuation route from Gettysburg, with field hospital and prison stockade. Fee charged. 717-235-1391 or firstname.lastname@example.org.
Sharpsburg, Md.:9 a.m.-noon July 23-27. At the Pry House Field Hospital on the Antietam National Battlefield, day camp for children 6-11 to learn about the life of a soldier, with recruiting, drilling and camp activities. Fee charged. 301-695-1864.
Fort Washington: Noon, 1, 2 and 3 p.m. Aug. 5. At Fort Washington Park, volunteers in Civil War uniforms will demonstrate and explain the procedures used for firing rifled muskets and artillery. Parking fee. 301-763-4600.