Passau sits on the confluence of the Danube, the Inn and the Ilz, so it is fitting that it is known as "the Dreiflüssestadt", which means the “City of Three Rivers.” The historical center offers a cathedral, churches and museums to explore, and the embankment is perfect for a romantic stroll.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

Vukovar, a city in eastern Croatia, stands as a poignant symbol of resilience and beauty. Its rich history is etched into its architecture and monuments, telling the story of its resilience during the Croatian War of Independence.

As a city located in a Baltic Sea archipelago, it's not surprising that Stockholm has 50 bridges and sightseeing boats moving people between its 14 islands. This contemporary and welcoming capital of Sweden is nonetheless easily navigable by foot. Every district here has a distinct flavor, from the sophisticated Östermalm to the bustling downtown energy of Norrmalm to the delightful Old Town.

Nestled in the Julian Alps of Slovenia, Kranjska Gora is a charming alpine town known for its stunning landscapes and outdoor activities. This picturesque destination offers a gateway to breathtaking natural beauty, from the snow-capped peaks of the Julian Alps to the lush, green valleys that surround the town.