Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

Santander, the capital of Spain’s Cantabria region, sits along the Bay of Biscay and offers travelers a mix of coastline, culture, and history shaped by centuries of maritime life. Once a bustling port for Castilian exports, Santander saw its golden age in the 19th century when Spanish royalty turned it into a summer retreat. The legacy of that era remains visible at the Palacio de la Magdalena, perched on a peninsula with views of the sea and home to royal stables, a mini zoo, and guided tours.

Zeebrugge is a coastal district of Bruges in West Flanders, Belgium, located on the North Sea coast. It is best known as one of Europe’s major ports, handling international cargo, passenger ferries, and fishing activities.

Even though Linköping has developed into an industrial center and is Sweden's fifth-largest city, it maintains a small-town atmosphere. Old Linköping is the restored town center with preserved buildings from the 18th and 19th centuries. The tower of the impressive Linköping Cathedral, which took nearly 300 years to complete, can be seen from a distance of more than 10 kilometers.

Macao, a Special Administrative Region of China, is known for its distinctive blend of Portuguese and Chinese heritage. Once a Portuguese colony, the city retains historic squares, colonial architecture, and cobblestone streets that contrast with its modern skyline of resorts and entertainment complexes.