Montserrat Mountain rises sharply from the plains of Catalonia, its jagged rock shapes visible from far away. The mountain is known for its unusual rounded peaks and narrow ridges, formed into striking forms that look almost carved by hand. Trails and cable cars lead visitors upward from nearby villages such as Monistrol de Montserrat, where the climb quickly reveals wide views across the region, stretching toward Barcelona on clear days.

Eskişehir, located in northwestern Turkey, is a city where old meets new in unexpected ways. Known for its youthful vibe due to its two major universities, the city is also deeply rooted in history. It sits along the Porsuk River, which winds through lively neighborhoods and parks. The riverfront, once mostly industrial, has been transformed into a place where gondolas pass under bridges and locals gather at riverside cafes.

A major port city on the River Scheldt, Antwerp, Belgium, is a cultural, historical, and commercial hub and the country's most populous city. Known as the "diamond capital of the world," Antwerp is renowned for its cut diamonds.

Nikko lies in Tochigi, about two hours from Tokyo. Nikko is famous for the large Toshogu shrine area and the nature around the city.

This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers. Hop on a cable car, one of the city's most popular attractions, for stunning city-wide views, or cruise down the Rhine to spot some of Koblenz's magnificent fortresses and castles, including the Ehrenbreitstein Fortress and Schloss Stolzenfels.