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. 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). 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.The museum houses railroad memorabilia, information on United States Navy Commander William Lewis Herndon, for whom the town was named, and artifacts from the, from World War II, and from local residents. The Herndon Historical Society operates the museum.