Raise a glass and toast Würzburg, an enchanting, Franconian wine-producing area on the Main River, and one of Germany's oldest cities. Wine bars and cellars abound here, but there's also plenty of wonderful history and striking Baroque and rococo architecture to behold.

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.

Seattle is a city shaped by water, mountains, and innovation. Its skyline, dominated by the Space Needle, tells only part of the story. Beneath it lies a vibrant mix of neighborhoods, each with its own character. Seattle was the birthplace of grunge music and remains a stronghold for independent arts. The Museum of Pop Culture (MoPOP), located at the Seattle Center, celebrates the city’s creative spirit with exhibits on everything from Nirvana and Jimi Hendrix to science fiction and gaming.

Aarhus, Denmark's second-largest city, offers a captivating blend of historical charm and modern vibrancy. Founded in the 8th century, Aarhus boasts a rich history that visitors can explore at the Old Town Museum, an open-air museum that recreates Danish life through the ages with its historical buildings and interactive exhibits. The city's medieval roots are also visible in the well-preserved Aarhus Cathedral.

Agrigento, located on the southern coast of Sicily, is a city steeped in history and renowned for its ancient Greek ruins. The crown jewel of Agrigento is the Valley of the Temples, a UNESCO World Heritage Site and one of the most spectacular archaeological sites in the Mediterranean. Visitors can marvel at the remarkably preserved Temple of Concordia, which dates back to the 5th century BC and is considered one of the best-preserved Greek temples in the world.