From infinity pools overlooking pristine beaches to rooftop oases amidst bustling cities ... sensation of swimming out beyond the hotel’s edge. Equally voyeuristic for those swimming or those ...

In a country known for gilded hotels with record-breaking leisure offerings (glitzy Marina Bay Sands, home to the world’s largest rooftop infinity pool, springs to mind), QT Singapore holds its own.

Located on the sixth floor of the Marriott Marquis Houston, the Altitude Rooftop & Pool offers the Texas-shaped lazy river along with an infinity pool overlooking downtown Houston, plus cabanas ...