Bruges, often referred to as the "Venice of the North," is a city where medieval charm meets modern allure. Nestled in the heart of Belgium's Flanders region, Bruges is renowned for its well-preserved medieval architecture, winding canals, and cobblestone streets that invite visitors to step back in time.

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.

Phnom Penh, the capital of Cambodia, is a city where history, culture, and riverside life intersect. Situated at the confluence of the Mekong and Tonle Sap rivers, the city has a lively riverfront that serves as both a social gathering place and a hub for commerce.

A tributary of the Rhine, the Moselle River flows through France, Luxembourg and Germany. The Moselle also lends its name to a region of France, a valley which it bisects, and a wine produced along its banks.

Looe is a small seaside town on the south coast of Cornwall, England, divided by the River Looe into East and West Looe and connected by a graceful stone bridge. With origins as a medieval port, the town has long been shaped by fishing and seafaring, traditions that still define its identity today.