4. Hong Kong, China
OZONE at The Ritz-Carlton, Hong Kong
Billed as the highest bar in Asia, in the planet's highest hotel, OZONE sprawls across the 118th floor of Hong Kong's Ritz-Carlton. Signature cocktails pair well with Asian-inspired tapas; work them off to the tune of spun DJ beats on the breezy outdoor terrace. The views compete only with the super-hip dreamworld design interiors, decked out with high-tech lighting and imaginative furnishings and trimmings. www.ritzcarlton.com
Star Sights: Peek out across Hong Kong and Victoria Harbour, and look for the nightly "Symphony of Lights" spectacle.
Signature Drink: Aria 118 (orange vodka, sake, coconut rum, passion fruit, and lychee)
Insider Tip: Arrive early and dress smart—the lounge gets packed after 10pm, especially on weekends.