A few miles south, St. Ignatius Church and cemetery at St. Thomas Manor comprise a complex designated as a National Historic Landmark, notable as a Jesuit mission center of the 17th century and possibly the oldest continuously operating Roman Catholic parish founded in the Thirteen Colonies which began the United States. The complex at Chapel Point has scenic views overlooking the Potomac River. John Hanson, President of the U.S. Continental Congress, was born nearby. Port Tobacco, officially Port Tobacco Village, is a town in Charles County, Maryland, United States. The population was 15 at the 2000 census, making Port Tobacco the smallest incorporated town in Maryland.