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.

Situated at the confluence of the rivers Merwede and Noord, Dordrecht is one of the Netherlands' oldest cities, rich in history and character from its charming medieval center and picturesque canals to its beautiful historic buildings. With its intricate network of canals and waterways, the city once played a key role in the Dutch Golden Age and is home to the Biesbosch National Park, one of the largest national parks in the Netherlands.

Bogotá, the vibrant capital of Colombia, sits high in the Andes at 2,640 meters above sea level. The city balances historic charm with modern energy, where cobblestone streets meet bold street art and colonial churches stand beside sleek galleries and cafes. At the heart of it all is La Candelaria, Bogotá’s oldest neighborhood, where travelers can visit centuries-old buildings, including the neoclassical Capitol and the richly decorated Gold Museum.

Tenerife is the largest isle of the Canary Islands archipelago. Famous for its black and yellow sand beaches as well as Mt. Teide, the dormant volcano that looms over the island.

Whether cruising along its waters, exploring historic towns, or simply soaking in the scenic views, the Rhine River offers an experience that is as diverse as the countries it passes through.