If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

The Czech Republic is located east of Germany and south of Poland. The most popular destination is Prague. Experience breathtaking castles, relaxing health spas, mountain climbing, fishing and quaint villages.

Guadeloupe's major center is Pointe-à-Pitre, a conglomeration of old and new buildings clustered around the bustling harborside market. Pointe-a-Pitre is Gudeloupe's most popular city--explore the beaches of Grand-Terre and the French fort ruins and volcanic mountaintop of Basse-Terre.

Located southwest of India and Sri Lanka, this small yet dense island capital is the cultural center of the Maldives.

Astoria, Oregon is the state's oldest city. Located on the Columbia River near the Pacific Ocean, Astoria is rich in history, including fishing, canning and the Lewis and Clark Expedition.