Are you a history buff? Arlington County Parks & Recreation is holding a tour of forts in South Arlington for ages 12 to adult on Saturday January 8, 2011. Visit the locations and remaining earthworks of Forts Scott and, and the reconstructed earthworks at Fort Ward in Alexandria.  These forts were built by the Union Army to protect Washington and Alexandria. The van leaves from Lubber Run Rec Center at 9 am and returns at noon. Registration is required. $15.