Where: 6717 Wemberly Way, McLean
Listing Price: $3,790,000
Time on the Market: more than two months
This 10,000-square-foot estate sits on three acres in the Langley Forest neighborhood of McLean. The New England-style, stone-and-clapboard Colonial has four levels, a sunroom with a cathedral ceiling, and a cherry library with wet bar and marble fireplace. There is also an office, media room, game room, and exercise room. The master bedroom has a Jacuzzi tub and a marble fireplace. Upstairs is a third-floor guest suite. The ground level has an in-law suite with a door to the backyard.