Malaysia is a beautifully complex vacation destination, a land where ancient rainforests give way to multicultural city life. Capital city Kuala Lumpur is visually defined by the iconic Petronas Twin Towers, while in charming Melaka the vibe is more quaint and historical. Many of the country’s national parks offer opportunities for fantastic whitewater rafting, and the exclusive Sipadan dive site (off the east coast of Borneo) is among the best in the world.

Thailand is a country of many contrasting facets, with glorious beaches as well as forests, jungles and mountains. Whether you want to swim, sunbathe or explore the wildlife, a family holiday in Thailand will never be dull.If you're looking for seaside relaxation, visit the beaches and bay of Hat Karon in Phuket with sand dunes and palm trees. The island of Ko Tao has coral reefs and is the place to go if you want to learn to dive, but you can also go mountain biking or just sunbathe on the beach. The Royal Barge National Museum in Bangkok houses several barges built for Thailand's kings; the beautifully detailed carving is quite breathtaking. Doi Suthep-Doi Pui National Park in Chiang Mai has a wealth of flowering plants and ferns as well as three hundred species of birds. If you're in the mood for a quiet spot, try the town of Sangkhlaburi; from there you can set off on an elephant trek or jungle tour. For mountains and forests, visit the north-western province of Mai Hong Son.

The jungles and monsoon forests of Vietnam are diverse ecosystems that are alive with unique wildlife. Trekking is a popular activity here, particularly the mountains of Sapa and the primeval landscape of Cuc Phuong National Park. For a more urban escape, take a guided food tour of Ho Chi Minh City, making sure to squeeze in visits to the historic Hoi Truong Thong Nhat palace and the intricately adorned Emperor Jade Pagoda.

You’re on a gorgeous island off the coast of Thailand—it doesn’t get much better than this. Spend the day on a lively, popular beach, or explore the Ang Thong National Marine Park’s secluded lagoons. Looking for romance? Choose a luxurious five-star resort, a simple, secluded bungalow or pretty much anything in between.

As Asia’s undisputed capital of cool, Singapore’s street food, luxury lifestyle options, and sci-fi–like architecture entrance visitors from the very beginning. Top attractions such as the futurist feel of Gardens by the Bay and the Marina Bay Sands casino symbolize the nation’s state of affluence.

Set your own pace by cycling through Khmer ruins at Angkor Wat or pedaling the banks of the mighty Mekong. Trek off the beaten path on eco-adventures through the Cardamom Mountains, southern tropical islands or crater lakes of the remote northeast. Add urban adventure and hire a "motodop" taxi in Siem Reap.

From the cosmopolitan metropolis of Cebu City and the white-sand beaches of Mactan to the electric-blue waters of Kawasan Falls and the whale sharks of Oslob, it’s easy to see why Cebu Island is one of the Philippines’ top destinations.

Soak up the sun and some Vietnamese culture on Phu Quoc Island, where white sands and tropical waters entice beachgoers from all over the globe. Snorkeling, scuba diving and fishing are the most popular water sports here, though jet-skiing, wind sailing and squid fishing—yes, squid fishing—are also at your holiday-making fingertips. Check out the early-morning Duong Dong Market for an authentic local experience.

East meets West in this sun-soaked state, where Indian culture intertwines with Portuguese influences left over from a 500-year occupation. The beaches have long served as a magnet for serene hedonists. To the north, the tourist-centric scene is prevalent, with an international flair that is now skewing more hip than hippie. Travel south for stretches of unspoiled sand and an escape from large resorts. Temples, mosques and wildlife sanctuaries provide diversions from the beach.

The misty hills, lush teakwood and sandalwood forests, and acres of tea and coffee plantations of Kodagu are, in a word, stunning. Also known as Coorg and dubbed "The Scotland of India," Kodagu is a postcard-perfect region of scattered villages and hamlets, which are the epitome of old-world charm. Kodagu is ideal for outdoor activities such as trekking, angling and white-water rafting, and major festivals like Keil Poldu (worship of weapons), Cauvery Shankaramana (return of the river goddess) and the Huttari (harvest) festival are a huge draw.

India’s millennia-old natural medicine, Ayurveda, is the guiding force in southern state Kerala’s famed health resorts. To rejuvenate in luxurious surrounds, try 50-acre oasis Kairali Ayurvedic Health Resort’s authentic ayurvedic healing with aromatherapy, massage, essential oils and yoga.

Want to make your co-workers insanely jealous? Just casually drop "I’m holiday making in the Maldives this year" into conversation, preferably in the dead of winter. Or better yet, go there without mentioning it to anyone—then send them a "Wish you were here!" postcard.