The Herndon Depot Museum, also known as the Herndon Historical Society Museum, is located in the town of Herndon in Fairfax County, Virginia. Built in 1857 for the Alexandria, Loudoun & Hampshire Railroad, the depot later served the Richmond and Danville Railroad, the Southern Railway and the Washington and Old Dominion Railroad.[4][5] The structure is located at 717 Lynn Street, at the intersection of the Washington & Old Dominion Railroad Trail and Station Street, north of Elden Street (signed nearby as Virginia State Routes 228 and 606).[6][7][8] The building is adjacent to Town Hall Square, which contains the Herndon Town Hall, built in 1939 as a Works Progress Administration project to house all of the Town's administrative offices.[4][8]