A true gem on the Caribbean coast, the port city of Cartagena (Cartagena de Indias) welcomes visitors with its charming old town, colonial buildings, and exceptional beaches. A popular cruise ship stop, many seafarers find themselves honorary Cartagenans, as they stroll shady, cobblestone lanes and gaze upon impressive churches.

Steeped in history, Canterbury, England is a must-visit destination for lovers of medieval charm and religious significance. The centerpiece of this historic city is Canterbury Cathedral, a UNESCO World Heritage Site that has been a place of Christian worship since the 6th century. As the seat of the Archbishop of Canterbury, it is one of the most important religious buildings in England.

Esztergom is one of Hungary’s oldest and most historically significant towns, located along the Danube River just an hour north of Budapest. It was the country’s royal capital during the Middle Ages and the birthplace of its first king, Saint Stephen. Today, visitors are drawn to the Esztergom Basilica, the largest church in Hungary. Its dome rises over 70 meters high and offers panoramic views of the river, the surrounding hills, and neighboring Slovakia across the Mária Valéria Bridge.

Verona is situated at a bend of the Adige River in northern Italy. It is hard to imagine that antique arts, monuments that date back to Roman times, and the shadows of the world's most famous tragic lovers can add up to a smiling, buzzing city. Yet they do, thanks perhaps to Verona's talent for melding her past and her present, her ancient and new so gracefully that everything blends in easy harmony.

Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.