Alcsmi

Expect high design at this landmark hotel on the banks of the Chao Phraya River. The 393 rooms feature Thai-style furnishings and design, and all guests have access to personal butlers. Grounds are meticulously landscaped, and there are two pools, two tennis courts, and an award-winning spa.

A 93-room opulent hotel in Knightsbridge, the Lanesborough is walking distance from such iconic London attractions as Buckingham Palace and Hyde Park. Rooms feature Regency-period furnishings and marble bathrooms, and the 18,000-square-foot spa includes a hydrotherapy pool.

The creativity of all-white design is taken to new heights at this seaside Mykonos resort. While the beach and pool beckon, be sure to set aside ample time for getting pampered at the sparkling spa.

Situated on the city's European side, in the posh shopping district of Nişantaşi, the St. Regis Istanbul features 118 rooms with pieces by contemporary Turkish artists and balconies overlooking the city. Guests can dine at an outpost of Wolfgang Puck's Spago or at the St. Regis Brasserie.

A secluded adults-only sanctuary, this posh hotel is the epitome of barefoot luxury. Lounge on the white-sand beach, explore the paths through the jungle, take a yoga class, or never leave your villa and its private plunge pool, soaking tub, and indoor/outdoor showers.

The spectacular night sky is on full display at Tierra Atacama, which has a welcoming terrace with a firepit, locally made furniture and textiles, and a glittering pool. The hotel arranges adventurous expeditions through the desert, and a stop at the Uma Spa at the end of the day is recommended.

The glittering Queen's Necklace, as Mumbai's Marine Drive is known, is the home of this modern hotel. Classic Indian cuisine is served at Ziya, Italian food can be had at Vetro and Enoteca, and Eau Bar and Champagne Lounge are perfect for craft cocktails and fine wine.