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.

Borjomi sits high in the center of Georgia, in a long valley along the Borjomula River surrounded by forested mountains. For centuries its mineral springs have drawn people to the region, but it wasn’t until the 1800s that the water became known to the wider world when Russian officers stationed here shared its crisp, naturally fizzy taste and believed health-boosting properties with visitors.

Graz, Austria's second-largest city, is a hidden gem that offers a perfect blend of history, culture, and modernity. Its well-preserved medieval old town, a UNESCO World Heritage Site, invites visitors to stroll through cobblestone streets lined with Renaissance courtyards and Baroque façades. At the heart of the city is the Schlossberg, a forested hill crowned by the iconic clock tower, Uhrturm.

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.

Rovinj, a picturesque city on Croatia’s Istrian Peninsula, invites travelers to immerse themselves in its enchanting blend of history and natural beauty. The city's charming Old Town, with its narrow, cobblestone streets and colorful facades, is a delight to explore. The heart of this historic area is the Church of St. Euphemia, a Baroque masterpiece that offers panoramic views of the Adriatic Sea from its bell tower.