Dallas is hot in the summer, and if you need to cool off and don’t have your own pool, you’d better hope you are staying at the new Starwood owned Joule hotel. In addition to its swanky guestrooms and spa, this luxury hotel also has a stunning, outdoor rooftop pool. The Joule is all about big, Texas-sized style. Adam Tihany has done the interiors, and the in-house restaurant is by Charlie Palmer. Best of all, Nieman Marcus is just a block away. Rates start at $270. The Joule, 1530 Main Street, Dallas, Texas 75201. Phone: (214) 748-1300.