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.

A charming city nestled on the banks of the Rhine, Mainz, Germany lies southwest of Frankfurt and is replete with historic buildings and famous museums. The city's Altstadt district meets the river's edge and boasts a variety of beautiful and fascinating landmarks.

Located on the banks of the Danube, Spitz an der Donau is a charming market town in Austria's Wachau valley. Occupied since Celtic times, Spitz offers spectacular views of the Danube valley.

Tromsø, a gem nestled in the Arctic Circle, offers an unparalleled blend of natural wonders and cultural richness. Known as the "Gateway to the Arctic," this Norwegian city is famed for its spectacular Northern Lights. Between September and April, Tromsø becomes a prime location for witnessing the aurora borealis, a mesmerizing display of green, purple, and pink lights dancing across the polar sky.

The Ionian Sea, a stretch of the Mediterranean nestled between Italy and Greece, offers a captivating blend of azure waters, picturesque islands, and rich history. The sea is framed by Italy's western coast and Greece's western islands, including Corfu, Kefalonia, and Zakynthos. These islands provide a gateway to some of the most stunning landscapes in the region, from the rugged cliffs of Zakynthos to the lush greenery of Kefalonia.