The next boom city in China. It's already been pegged. Xiamen, China, is the closest point on the mainland to Taiwan, and there is a great deal of investment flowing into the city. You'll enjoy the city mainly for its colonial mansions, twisting streets, turn-of-the-century Latin quarters, and balmy breezes sweeping across its palm-fringed beaches.

>Slovenia, tucked between the Alps and the Adriatic Sea, is a small country with a strong sense of identity and an impressive variety of landscapes. Its capital, Ljubljana, is known for its walkable center and mix of Baroque, Secessionist, and modern architecture. The Ljubljanica River runs through the city and is lined with open-air cafés and artisan shops.

Tetouan is a northern Moroccan city set between the Rif Mountains and the Mediterranean coast. Its whitewashed buildings, compact medina, and Andalusian-influenced architecture give it a distinctive identity within Morocco. The old city climbs the slopes of Jebel Dersa and is enclosed by historic walls with several gates leading into souks, artisan quarters, mosques, and residential lanes.

In the central highlands of Mexico lies a rich city, with a culture as colorful as its past. Guadalajara, Mexico's second largest city, may be best known for its tequila, mariachis and the hat dance, all part of its celebrations. The downtown area is dominated by a huge public square, the Plaza del la Liberacion. Guadalahara's most impressive historical sights are found along this square, as well as museums tracing Mexico's long history.

As a city located in a Baltic Sea archipelago, it's not surprising that Stockholm has 50 bridges and sightseeing boats moving people between its 14 islands. This contemporary and welcoming capital of Sweden is nonetheless easily navigable by foot. Every district here has a distinct flavor, from the sophisticated Östermalm to the bustling downtown energy of Norrmalm to the delightful Old Town.