Be Relax Spa, Heathrow

The beauty of this super-sleek oasis is in its basic idea: to provide spa treatments that remedy common travel problems customized to suit any travel schedule. The menu includes everything from a 15-minute express manicure ($26) or pedicure ($43) to an hour-long Anti Jet Lag moisturizing facial ($128) or Thai & Fly full-body massage ($149)—longer and shorter treatments are available. For a quick pick-me-up, add the oxygen aromatherapy ($11).