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Leixões is Portugal's largest artificially constructed harbor and is situated near the city of Porto. Porto is known for its famous port wine. The port city is characterized by its picturesque quaintness. Closely packed houses, steep cliffs and numerous terraces contribute to this cosy atmosphere.

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Honfleur is located at the mouth of the Seine, as it flows into the English Channel. The port city is known for its shimmering light. Many painters used this region in the past as inspiration for for their artwork. One of the attractions, the Pont de Normandie, connects Honfleur and Le Havre. This bridge has a span of 856 m, the largest cable bridge in Europe. Among the attractions in Le Havre are the Church of St. Joseph, the Museum of Fine Arts, and the Bridge of Normandy.

Dover is a historical port town in Kent, South East England. The town is located at the narrowest part of the English channel, looking over the strait of Dover towards France. Its spectacular, extraordinary chalky white cliffs are for many immigrants their first glimpse of the UK. The cliffs, along with the imposing hilltop 12th century Dover Castle and its secret wartime tunnels leave visitors awe-struck, with much to ponder long after they leave.

Dunkirk is a commune in the Nord department in northern France. It lies 10 kilometres from the Belgian border. The population of the city the metropolitan area is around 265,974 inhabitants.

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The Kiel Canal is a 98-kilometre long freshwater canal in the German state of Schleswig-Holstein.

The Hanseatic city of Wismar is located on the Baltic coast of Mecklenburg-Vorpommern. The main attractions of the city are the marketplace with the neo-classical town hall built in 1817-1819, the water gate and the community center.