Woodstock, Maryland. This five-bedroom granite home was once a schoolhouse. Built in 1879, the landmarked house features three fireplaces, slate and wood floors, crown molding, a slate roof, and a master bathroom with a claw-foot tub. The 1.1-acre property includes professional landscaping, mature trees, and a flagstone patio. $799,900. Gary Gestson, Long & Foster, (301) 646-0046. Greenwich, Connecticut.