Dennis Alter, former head of Advanta, has put his Whitemarsh mansion, Arbor Hill, up for sale (this past October). The asking price is $30 million and the home is described on listing agent Janet Rubino as:
One of the most prominent estates in the Philadelphia region and only 22 miles from downtown, this 40,000 SF modern residence designed by legendary architect Rafael Vinoly is set on 70 dramatic acres. While brilliant to display grand art collections,and host grand scale events; it is also perfect for an intimate lifestyle. Maximized views of the superb grounds and striking courtyard through lavish floor-to-ceiling windows. A grand 2-story entrance hall, a living room with an approx. 30-foot ceiling. Two dining rooms,library, Gourmet Eat-in-Kitchen, pantry and family room, media room, play room and offices round out the main living spaces. Master enjoys his and her marble baths, dressing rooms, sitting room, office and a private tower retreat that commands 360-degree views of the estate. Guest rooms open out to private balconies. Amenities include, 20,000 SF “Playhouse”; indoor,outdoor tennis;4,000 bottle wine cellar; pool, pool house;two stone farm houses,3 bedroom apartment and pond.
Here are some more photos: