Brasília may be a World Heritage Site, but it is only of interest to town planning and architecture students, and those keen to witness the folly of man on a metropolitan scale. It must have looked good on paper, and still looks good in photos, but in the flesh, forget it. Designed by architect Oscar Niemeyer, urban planner Lucio Costa, and landscape architect Burle Marx, the city was built in an incredible three years between 1957 and 1960.

Cartagena is a port city on Spain’s southeastern Mediterranean coast, in the Region of Murcia, where a sheltered harbor is surrounded by hills and historic neighborhoods. Its strategic position has made it an important maritime center for successive civilizations, leaving an unusually rich archaeological and architectural landscape. The modern city combines a busy waterfront with a compact historic center, where Roman remains stand alongside military buildings and modernist architecture.

Plentiful beaches, stunning scenery, and restaurants with open-air seating distinguish the resort town of Las Terrenas. Situated in the Dominican Republic's northeast, this growing town has an increasing number of hotels, shopping centers and clubs. Away from the bustle, clear waters and underwater caverns await exploration.

Plymouth is a rural town in central Vermont, set among wooded hills, small farms, ponds, and mountain valleys in the Green Mountain region. The town includes several small settlements, with Plymouth Notch being the best-known because of its preserved historic buildings and connection to President Calvin Coolidge. Much of the surrounding landscape remains forested and lightly developed, with roads following valleys and ridgelines rather than forming a dense urban center.

The capital of Saint Maarten, the Dutch side of this two nation island, Philipsburg is located on the isthmus between Groot Baai (Great Bay) and the Salt Pond. Founded in 1733 as a free port, the city is now the home to outstanding shopping, casinos, and a variety of hotels and resorts, including nearby Mullet Bay Resort and Golf Club.