One of Hawaii's most interesting historic towns, the former Hawaiian capital also has a rich Yankee whaling history. In the 1800s, Lahaina was the center of the global whaling trade and its beautiful Historic District is a National Historical Landmark.

The Indonesian island of Bali is a favorite destination for both adventurers and those in need of a little relaxation. The waters off the coast of Bali's white beaches are an ideal spot for diving, while the dense jungles, teeming with monkeys and hidden stone temples, call out for exploration.

Historic and modern, European and Asian — that's Istanbul. The city at the junction of two continents is home to ancient structures like the Hagia Sophia and the Blue Mosque in the Old City, as well as modern businesses, hotels, restaurants and nightlife in the New City.

Luxury resorts rub elbows with backpacker accommodations on the Thai island of Ko Samui, a 15-mile-long palm-covered tropical oasis located off the country's east coast.