Thomas Stone National Historic Site

Thomas Stone
National Historic Site
LocationCharles County, Maryland
Nearest citySt. Charles
Coordinates38°31′52.2″N 77°2′21.3″W / 38.531167°N 77.039250°W / 38.531167; -77.039250
EstablishedNovember 10, 1978
Visitors6,351 (in 2011)
Governing bodyNational Park Service
WebsiteThomas Stone National Historic Site
Habre-de-Venture; Thomas Stone National Historic Site
Haberdeventure, Front View, September 2009
Location6655 Rose Hill Rd., near jct. with MD 225 and 6, Port Tobacco, Maryland
Area360 acres (145.7 ha)
Built1771
Architectural styleGeorgian
Visitation4,500 (2005)
NRHP reference No.72001595
Significant dates
Added to NRHPOctober 31, 1972
Designated NHSNovember 10, 1978
Designated NHLNovember 11, 1971

The Thomas Stone National Historic Site, also known as Haberdeventure or the Thomas Stone House, is a United States National Historic Site located about 25 miles (40 km) south of Washington D.C. in Charles County, Maryland. The site was established to protect the home and property of Founding Father Thomas Stone, one of the 56 signers of the United States Declaration of Independence. His home and estate were owned by the Stone family until 1936.