Charles County Maryland (Historic Districts) has 8 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Hughesville Commercial and Tobacco Warehouse Historic District and Port Tobacco Historic District, Bryantown Historic District, Hughesville Commercial and Tobacco Warehouse Historic District and Mount Aventine.
The famous person Dr. Samuel Mudd is associated with one of more of the Charles County historic places.
Some of the country's most noteable architects helped create the Charles County places including Eben Faxon, Charles Ogle and Belain Posey. Prominent architectural styles found in Charles Country are Federal, Greek Revival and Italianate.