In New York City. In Manhattan's trendy Meatpacking District, this pool is open year round and has underwater music and lights. Photo by Gansevoort.
Hotel Udai Kothi
In Udaipur, India. Dine in the alcoves poolside or enjoy the view from the water over the palaces of old town Udaipur. Photo by mathias
In Hong Kong. The infinity hot tubs of the spa make it seem as though you're taking a dip in the harbor. Photo by InterContinentalHongKong
In Beverly Hills. Sophistication and glamour surround you at this 6th floor hotspot between Beverly Hills and Los Angeles. If you get tired of swimming, you can relax in one of the poolside cabanas. Photo by Florian SEROUSSI
In Rio de Janeiro. Relax and enjoy the full view of Ipanema beach 8 floors down. Keep an eye out for celebrities as well; Yoko Ono, Calvin Klein, and Madonna stay at the Fasano when they're in Rio. Photo by LyDzzz
Club 50 Viceroy
In Miami. 50 stories up, this club doesn't encourage swimming in the roof pool, though after a few cocktails it will seem pretty tempting. If you feel desperate for a swim, check out the 50-person hot tub in the Viceroy Hotel spa. Photo by Viceroy Hotels.
Fullerton Bay Hotel
In Singapore. With a great view of the Marina Sands casino and the Singapore River, the Fullerton Bay Hotel infinity pool is over 75 feet long. Photo by williamcho
Stills of Andy Warhol are featured on the bottom of this pool in New York's Lower East Side. Photo by Thompson Hotels
In Kuala Lampur. Snuggle up in a private booth or dance poolside with views of the Petronas Towers, but don't jump in - it's not for swimming. Photo by Stuck in Customs
In Mexico. Swim year round with a hot pool on one side of the hotel and a cold pool on the other. Photo by Habita Monterrey
In Hong Kong. The world's highest pool - it's a breathtaking 76 floors up. Photo by randomwire
In Kuala Lampur. A sunset drink poolside at Luna Bar is practically a must if you're in the city. Photo by Mr. Bone