ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Nestled on the banks of the Danube River, Vidin, Bulgaria, is a city where history and scenic beauty converge. This ancient city, known for its well-preserved medieval fortress, the Baba Vida Castle, offers a unique glimpse into Bulgaria's past. The fortress, dating back to the 10th century, stands as one of the best-preserved medieval fortifications in the country.

Regensburg, Germany’s medieval gem, will transport you to a bygone era. The site of both Celtic and Roman settlements, Regensburg flourished in the Middle Ages.

Windhoek, the capital city of Namibia, is a vibrant and cosmopolitan hub nestled in the heart of the country. With its mix of German colonial architecture and modern African charm, Windhoek offers visitors a unique blend of history and contemporary culture. The city’s skyline is dominated by the striking Christuskirche, a Lutheran church built in 1907, which stands as a symbol of Namibia's German colonial past.

Situated at the confluence of the rivers Merwede and Noord, Dordrecht is one of the Netherlands' oldest cities, rich in history and character from its charming medieval center and picturesque canals to its beautiful historic buildings. With its intricate network of canals and waterways, the city once played a key role in the Dutch Golden Age and is home to the Biesbosch National Park, one of the largest national parks in the Netherlands.