Thailand’s largest island is an international magnet for beach lovers and serious divers, who enthusiastically submerge themselves in the Andaman Sea. Blue lagoons and salmon sunsets make for a dream-like atmosphere, and indeed, a vacation here can feel a bit surreal. Watersports are the most popular activities, though once you’ve had enough sun there’s still plenty to explore at the island’s aquariums, gardens, and Buddhist temples.

Party-hoppers flock to the wide and whimsical sands of Patong Beach. Mere minutes from the glittery chaos of Patong's many nightclubs, bars and discos, the golden beach is ideal for sunbathing, jet skiing, kayaking and parasailing. Lovers of leisure can spend the day relaxing on a sunbed under a colorful umbrella, lingering over treats from one of the vendors who stroll the sands.

At nearly three miles long, Karon’s beach stretches on and on and on… so this might be the perfect spot for travelers who want as much space as possible around their beach blankets. TripAdvisor travelers say the diving is fabulous. And bring the kids-- Karon is known as a family-friendly town.

Most of this limestone island is a protected marine reserve… which means you’ll enjoy unspoiled beaches, as well as fantastic diving and snorkeling. Several local dive shops get great reviews from our travelers. When you’re back on dry land, chill out even more with a session of yoga on the beach.

Packed with all the amenities—and unsightly development—of a modern Thai harbor town, Ao Nang is a popular base camp for exploring Krabi’s karst islands. A long arc of sand is shared by long-tailed boats delivering day-trippers to resorts and rowdy beach bars.

The southern Thailand town of Krabi serves as base camp for exploring the province of the same name, a lush region of jungles, limestone cliffs and idyllic isles floating just offshore in the Andaman Sea. Buddhist shrines still used by local monks are tucked into the chambers of the town's top attraction, Tiger Cave. The riverside pier links travelers with ferries and longboats to the best scuba diving, rock climbing and white sand beaches on the coast.

The dive sites surrounding Ko Lanta are considered to be some of Thailand’s finest. An intricate system of reefs, islets, and underwater caves are teeming with vibrant sea life. While you splash in the waves you may catch a glimpse of a Moken (sea gypsy) boat, gliding nomadically through the waters. Cap off your day with mouthwatering seafood, freshly caught and spicy enough to make your tongue tingle.

Just 80 kilometers 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.

Breathe deep in Genting Highlands where, unlike nearby Kuala Lumpur, the air is fresh and clean. Aside from its resort life, visitors flock to hill station to enjoy cooler temperatures, mountain scenery, strawberry farms, and a relatively undisturbed, natural rain forest.

Golden palaces, floating markets, majestic porcelain-laid spires…you've never seen a capital city quite like Bangkok. Visit Pratunam or Siam Square for premium shopping, then unwind in the European-style gardens of Dusit. Thon Buri is home to the awesome Wat Arun temple, and over in Phra Nakhon, you’ll find the Wat Pho temple of the Reclining Buddha. Savor mango sticky rice at a food stall before taking in the gilded splendor of the Grand Palace.

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.

Dubai is a destination that mixes modern culture with history, adventure with world-class shopping and entertainment. Catch a show at the Dubai Opera, see downtown from atop the Burj Khalifa and spend an afternoon along Dubai Creek exploring the gold, textile and spice souks. If you’re looking for thrills, you can float above the desert dunes in a hot air balloon, climb aboard a high-speed ride at IMG Worlds of Adventure or skydive over the Palm Jumeirah.

The prophet Mohammed's birthplace is Islam's spiritual center and is strictly off-limits to non-Muslims. The pillars of Islam state that all Muslims with the means must undertake Hajj, a pilgrimage to Mecca, once in their lifetime. Those who visit the holy city are rewarded not just by proximity to landmarks and religious sites crucial to the religion, such as the Masjid Al Haram (Holy Mosque), the Mountain of Light, the Black Stone and the Well of Zamzam, but with the forgiveness of all their sins.

One of Islam’s most holy cities, Medina, is a sprawl of minarets and shops wrapped around the landmark, the Prophet’s Mosque. Like the rest of central Medina, it’s for Muslims only and is surrounded by plenty of hotels and eateries to welcome the pilgrimage crowd.

Sometimes referred to as the capital of Africa, Addis Ababa is a buzzing hub of economic, social and political activity and home to such notable offices as the African Union and the United Nations Economic Commission for Africa. The diversity of its people is reflected in the many churches, mosques and museums, including the Ethiopian National Museum which houses the fossilized skeleton of Dinkinesh, or Lucy, the Australopithecine discovered in the area in the 1970s.

Thanks to the addition of an international airport in 2001, Marsa Alam is fast becoming a premium tourist destination, especially for scuba divers. The waters here are brimming with marine life and pristine dive sites. Landlubbers, don’t miss the Emerald Mines and the Temple of Seti I at Khanais.

Diverse marine life and hundreds of Red Sea coral reef sites make Sharm El Sheikh a magnet for divers and eco-tourists. The tourist economy of this Sinai Peninsula city has grown quite rapidly over the last few decades, resulting in an upcrop of first-class resorts and posh nightlife. The waters of Ras Mohamed National Park are abundant with schools of fish and, oddly, toilets – thanks to the bathroom fixtures being transported by a cargo ship that sank during a 1981 storm.

Stunning coral reefs and turquoise waters perfect for windsurfing have made Hurghada, on Egypt's Red Sea Coast, a busy resort town. Within easy reach of the stunning Giftun Islands and the Eastern Arabian Desert, Hurghada has seen enormous amounts of development in the past decade—and yes, it does seem overrun with tourists at times. But it’s a relatively easy beach escape for Europeans, and some of the world's best diving and snorkeling sites are just offshore. Walk or catch a cab to explore the old quarter, El Dahar.