Weissenkirchen is a charming Austrian town on the banks of the Danube. Surrounded by vineyards and wineries, Weissenkirchen is a delightful stop for European river cruises.

Semarang City is the capital of Central Java province in Indonesia, at the mouth of the Semarang River. An important port, it is one of Java's major commercial centers.

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.

Situated on the coast of the Persian Gulf, Doha is the capital and the cultural, commercial, and political center of Qatar.

Isabella Island is the largest of the Galapagos islands, on the western end of the archipelago. Shaped like a seahorse when viewed from above, Isabella is home to more wild tortoises than any other island, as well as a wide variety of other animal, bird and marine life.