Famed throughout Asia for its heady mix of eastern cultures, Penang Island is Malaysia’s prime melting pot. Roadside vendors serve some of the world’s best street food; its national parks offer white-sand beaches and wildlife; and UNESCO-listed George Town is full of colorful heritage houses.

The cultural hub of Malaysia, Kuala Lumpur is visually defined by the iconic Petronas Twin Towers, which, at 88 stories high, are the tallest twin buildings in the world and a vision of modern architecture. On the flip side, the Sri Mahamariamman is the oldest Hindu temple in Malaysia, its façade a colorful totem pole of iconography. Shopping at the Central Market is a joyful experience that involves haggling, handicrafts, and happiness.

Kuching is a fine choice for an enriching vacation that's as packed with learning as it is leisure. Its many museums and impressive planetarium will enthrall even the tiniest travelers, and a quick climb to the top of the Kuching Civic Center will reward you with jaw-dropping 360-degree views. Grab a snack from a stall on the bustling waterfront, and don't miss the absolutely massive Sunday market, which is an electric experience for shoppers, vendors, and observers.

Although Indonesia is largely Muslim and Bali a Hindu enclave, the UNESCO World Heritage site of Borobudur -- actually located on the neighboring island of Java – is one of the most fascinating Buddhist stupas and temple complexes in the world. Organized tours via air can be booked with Balinese tour operators.

Thirteen hundred years ago, Nara (then Heiju-kyu) was the imperial capital of Japan. In 2010, festivities are in the works to celebrate this ancient city's anniversary. "Old Japan" is still easy to spot here, from Great Buddha Hall to traditional ryokans and the serene Isuien garden. travellers rave about walking tours of Nara, particularly in the historic Naramachi merchant area.