7. Briar Patch — $140 million

Palatial estate in the Hamptons? Yes please. This 11.2-acre waterfront Georgian Revival estate features 10,000 square feet, six bedrooms, handmade wallpaper, four fireplaces and stunning French doors. Need more space? No problem. This property also includes a 3,500-square-foot guesthouse with four bedrooms, a tennis court, a pool, a hot tub, a private pond, woodlands and lawns.