Overlooking the Mississippi River in southeast Louisiana, it is the state's capital.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Eze is a hilltop village perched high above the Mediterranean on France’s Côte d’Azur, where stone houses and narrow lanes cling to a steep rocky outcrop between Nice and Monaco.

Denmark is a country shaped by water, wind, and centuries of human ingenuity. In places like Roskilde, visitors can see five original Viking ships at the Viking Ship Museum and even try rowing a replica longboat across the fjord. In Copenhagen, the harbor once used by merchants and sailors now welcomes swimmers, kayakers, and ferries, with historic warehouses repurposed into restaurants and museums.

Ostend is a small village in Belgium. It is a picturesque and popular ferry port.