London only has one rooftop hotel pool , at The Strand . To aid procrastination on that report , there 's an indoor pool -- heated to a constant 28 degrees Celsius ( 82.4 F ) -- while the hotel 's Duhau Restaurante & Vinoteca features 7,000 bottles of Argentinean wine . Since opening in 2006 , Hotel Molitor has been a top Parisian pool destination . The Ritz - Carlton , Millenia Singapore offers butler - drawn baths in your room . Hotel Arts Barcelona 's spa offers a technology - based treatment to counter the effects of smartphone over - wear .
London only has one rooftop hotel pool , at The Strand . Since opening in 2006 , Hotel Molitor has been a top Parisian pool destination . The Ritz - Carlton , Millenia Singapore offers butler - drawn baths in your room . Hotel Arts Barcelona 's spa offers a technology - based treatment to counter the effects of smartphone over - wear .