Spa at Mandarin Oriental Hyde Park, London

For a dose of tranquility after a day of shopping or sightseeing, go for an Eastern-inspired treatment at the Mandarin Oriental spa in central Knightsbridge. Smart spa-goers know to get there forty-five minutes before their scheduled time to enjoy the enhanced facilities, especially the steam room, vitality pool, and Zen Colour Therapy Relaxation Area whose low-lit space has subtly changing lights to help lighten moods.