Harmony Hall Regional Center
Thomas Stone National Historic Site, Port Tobacco, Maryland
Fort Washington Park, Fort Washington, Maryland
Fort Foote Park, Oxon Hill, Maryland www.nps.gov/fofo
Harmony Hall, Silesia, Maryland www.nps.gov/haha
George Washington's Mount Vernon, Alexandria, Virginia
Oxon Cove Park/Oxon Hill Farm www.nps.gov/oxhi
Did You Know?
Harmony Hall's exact construction date is not known, but believed to be 1769.