Cairns is the perfect city for merry revelers, passionate divers and adrenaline junkies, offering booming nightlife and heart-pounding adventure amid a vibrant, tropical setting.  This friendly Queensland city of 130,000 is a gateway to the Great Barrier Reef, Daintree National Park, Cape Tribulation, Cooktown and the rest of Cape York Peninsula. Embark on an eco-adventure or take a dip in a lagoon pool before hitting the town to unwind and shake what you’ve got Down Under.  

Bali is a living postcard, an Indonesian paradise that feels like a fantasy. Soak up the sun on a stretch of fine white sand, or commune with the tropical creatures as you dive along coral ridges or the colorful wreck of a WWII war ship. On shore, the lush jungle shelters stone temples and mischievous monkeys. The “artistic capital” of Ubud is the perfect place to see a cultural dance performance, take a batik or silver-smithing workshop, or invigorate your mind and body in a yoga class.

Singapore is known as a bustling metropolis that also happens to be one of the cleanest and safest cities of its size in the world. (Just make sure you heed the local laws—something like spitting in the street might merely be considered rude in your hometown, but here, it carries a severe penalty.) You'll find historic sites like the Thian Hock Keng temple, superlative shopping (including gargantuan malls) and numerous beaches.

Go from the 13th century to the 21st in one day in Naha. Its ancient Ryukyu Kingdom centrepiece, Shuri Castle, has been restored and is the city's top tourist attraction. Meanwhile, on Kokusai-dori (International Boulevard), the pace never lets up as locals and tourists hop from restaurants to bars to nightclubs.

Phuket offers a rainbow spectrum of spectacular holiday sights from blue lagoons and pink sunsets to orange-robed monks. Three wheeled-Tuk Tuks, taxis, buses and long tailed boats transport visitors between these marvels. Phuket's south coast offers its most popular beaches. The north is more tranquil. Koh Phi Phi, Phang Nga Bay and Patong Beach are popular spots. Diving, snorkeling, wind surfing and sailing are just a few active options. Inland, forested hills, mountains and cliffs wait to be explored.

Just 80 km north of Phuket, Khao Lak was essentially erased by the 2004 tsunami. But the town, and the tourist industry it relies on, has rebounded. It remains quieter than other coastal destinations, offering secluded beaches, tranquil nights and family-oriented activities. You want full moon parties and besotted nights? You’re out of luck. But if you’re looking for unparalleled scuba diving in the Similan Islands, you’ve hit the jackpot.

Hong Kong's a great city for an adventurous eater. Stop at a street vendor for fish balls on a stick or stinky tofu. Bakeries offer wife cake, pineapple buns and egg tarts. Or opt for as much dim sum as you can eat. If you're tired of local and regional Chinese specialties, check out upscale offerings from some of the world's top chefs, like Joel Robouchon and Alain Ducasse.

Bangkok is full of exquisitely decorated Buddhist temples—as you go from one to the next you’ll be continually blown away by the craftsmanship and elabourate details. But if you’d rather seek enlightenment in a gourmet meal, or dance the night away, you’ll also enjoy Bangkok—the restaurant and nightclub scenes here are among the best in the world.