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Location: Las Vegas, Nev.
The Skinny: If the design of this sleek, modern home in Las Vegas puts you in mind of some of the newer resorts that have sprouted up along the Strip, there's a good reason for that. The 13,000-square-foot luxury manse was designed by its owners, the resort architects Jon Sparer and John Klai, who between them have had a hand in designing hotels like Mandalay Bay and the Luxor Twin Towers, as well as overseeing the renovation of The Palms and the Hard Rock Las Vegas. The home—dubbed J2 after the architectural duo's first names—features a rare Las Vegas basement with 6,000 square feet of entertainment options, including a bowling alley, spa, maple tree bar, 2,000-bottle wine refrigerator and screening room, which is connected to the rest of the three-story house by an elevator whose floors are marked "Play", "Eat", and "Sleep". The five-bedroom, nine-bathroom home also boasts green design features such as rammed earth walls, a roof wing with solar panels, and shaded glass walls. It's asking $15.9M.