Toledo, high above the Tagus River in central Spain, is a city where layers of history are visible around every corner. For centuries it was an important Roman settlement, a Visigothic capital, and later a stronghold during the medieval Christian reconquest, before becoming the seat of royal power and a crossroads of cultures. Because of this long span of stories and architectural richness, the whole old town has been recognized as a UNESCO World Heritage Site.

This beautiful port city and capital of the Nagasaki Prefecture is located on the island of Kyushu.

Mont-Saint-Michel rises from tidal flats along the Normandy coast, its abbey and village shaped by centuries of pilgrimage, defense, and isolation.

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.

Located on the Adriatic, Koper is a coastal port city in Slovenia. Koper is home to a variety of architectural gems dating back centuries, especially near the city's central Tito Square. Koper's marina and beaches provide spectacular views of the Bay of Trieste, while the city's variety of museums, parks, restaurants, and bars offer plenty to explore and entertain.