Fredericksburg County Virginia (Vacant / Not In Use)  has 3 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Fredericksburg Gun Manufactory Site and Fredericksburg Gun Manufactory Site, Idlewild, Matthew Fontaine Maury School. 
Some of the country's most noteable architects helped create the Fredericksburg County places including  James Tongue and   Philip Nathaniel Stern. Prominent architectural styles found in Fredericksburg Country are Colonial Revival and  Gothic Revival.