Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Almost every modern scene in Constanta, Romania, is juxtaposed against 4th century Roman relics.

Kaziranga National Park stretches across the floodplains of the Brahmaputra River in Assam, shaped as much by water as by wildlife.

This city is the last stop on one of the busiest artificial waterways in the world, the Kiel Canal. It is an important base for the German Navy and famous for its international sailing event, the "Kieler Woche", an annual sailing event that attracts millions of people around the world.

The capital and largest city in Hungary, Budapest is a favorite European destination for millions of tourists each year. Once the center of the Austro-Hungarian Empire, this cosmopolitan city and UNESCO World Heritage site has plenty of historical and cultural landmarks to explore.