The Mandarin Oriental, Las Vegas, which opened in CityCenter in December, is a serene sanctuary located in the center of the bustling Las Vegas strip. From the moment you enter the non-gaming hotel’s 23rd-floor lobby with soaring views of the city, it is clear the hotel has a different point of view. It has an expansive two-level, 27,000-square-foot spa that specializes in holistic treatments that combine Eastern tradition and modern techniques, and it is home to the already-famous chef Pierre Gagnaire’s three-Michelin-star restaurant, Twist. – From Robb Report