Ulm, Germany, a picturesque city on the banks of the Danube River, offers a rich tapestry of history and modern charm. Dominating its skyline is the Ulm Minster, home to the tallest church steeple in the world at 161.5 meters (530 feet). This Gothic masterpiece invites visitors to climb its 768 steps for a breathtaking panoramic view of the city and the surrounding countryside.

Sighisoara rises above the Târnava Mare River as one of the few medieval citadels in Europe that is still lived in and admired today. Its historic center has been on the UNESCO World Heritage List since 1999, recognized for its long history as a fortified Saxon settlement and its role in trade and defense on the edges of central Europe. Wander through cobbled alleys framed by pastel-colored houses, and the layers of time feel close at hand, from the city walls and guild towers to busy cafés.

Durango, Colorado offers a delightful blend of history, adventure, and natural beauty. Founded in 1880 as a railroad town, Durango's Historic Downtown reflects its rich past with well-preserved Victorian architecture and a lively atmosphere.

Seven miles outside of historic Athens, the Greek coastal city of Piraeus lies upon the sparkling waters of the Aegean Sea and is the largest passenger port in Europe, servicing nearly 20 million passengers per year.

Milos is one of the most striking islands in the Aegean Sea, known for its otherworldly landscapes, turquoise coves, and centuries-old history. Shaped like a horseshoe, the island was formed by volcanic activity which left behind dramatic cliffs and hidden beaches carved from soft white rock. Visitors often find their first glimpse of Milos unforgettable, especially at Sarakiniko Beach where smooth, chalk-white formations contrast with the vivid blue water.