Details: The legendary architectural firm Zantzinger, Borie and Medary designed this four-acre Radnor estate as a summer retreat in 1912. Amenities include a tennis court, a pool with a waterfall and a spa, and a shuffleboard court. Inside, the 14,000-square-foot mansion has eight bedrooms and eight baths, 11 fireplaces, and a master suite with a double fireplace and sauna.
Extras: A carriage house with a three-car garage, a plant room, a pool house, two greenhouses, and a one-bedroom apartment.
Contact: Robin Gordon, Berkshire Hathaway HomeServices Fox & Roach Realtors, Haverford, (610) 246-2280.