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.

With its captivating blend of ancient history, sun-drenched beaches, and vibrant Andalusian culture, Cádiz, Spain, stands as one of Europe’s oldest continually inhabited cities. Founded over 3,000 years ago by the Phoenicians, this coastal gem in southern Spain offers a rich tapestry of historical sites and modern charms. The old city of Cádiz is a labyrinth of narrow cobblestone streets, whitewashed houses, and hidden plazas that evoke the city’s Moorish past.

Serbia is a country where centuries-old monasteries sit just a short drive from lively cities, and where the past is never far from daily life. In Belgrade, the capital, Kalemegdan Fortress offers panoramic views where the Danube meets the Sava River. This fortress has witnessed more than 100 battles and been rebuilt many times over two millennia. Within its walls are Roman ruins, an open-air military museum, and quiet park paths perfect for wandering between centuries of layered history.

Willemstad, the capital of Curaçao, is unlike any other city in the Caribbean. With its pastel-colored buildings lining the waterfront and a layout shaped by Dutch colonial planning, the city blends European design with Caribbean culture. Its historic center, divided by Sint Anna Bay into Punda and Otrobanda, has been recognized as a UNESCO World Heritage Site.

Kochi (formerly Cochin), is a port city on the southwest coast of India and is a frequent stop for cruise ships. Known as the "Gateway to Kerala," Kochi's beaches, delectable seafood, expansive malls, historical sites, and museums make it a popular tourist destination.