9414 Georgetown Pike, Great Falls, Va.
Price: $7.5 million
Features: Cornwell Farm is one of Fairfax County’s few surviving examples of antebellum plantation architecture. The Georgian house was built in 1831 by John Jackson for his daughter. The house has nine wood-burning fireplaces. The living room and den fireplaces have gas log inserts. The grounds include a heated swimming pool.
Bedrooms/bathrooms: 4/4
Approximate square-footage: 5,100
Lot size: Six acres, with an option to buy seven more
Listing agent: Georgetown Pike Rural Preservation Trust