Oaxaca, nestled in the heart of southern Mexico, is a city where ancient traditions and vibrant culture thrive. Renowned for its rich history and indigenous heritage, Oaxaca offers a unique blend of pre-Columbian, colonial, and modern influences. The city's historic center, a UNESCO World Heritage site, is a testament to its past, featuring stunning colonial architecture such as the Santo Domingo de Guzmán Church, a masterpiece of Baroque art.

Porto is a spectacular and inviting city, and one of Western Europe's rising travel destinations. History, nightlife, attractions and excellent tourist accommodations distinguish this coastal city.

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.

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).

Sofia, Bulgaria’s capital, is a city where the past meets the present in a symphony of ancient history, stunning architecture, and vibrant urban life. At the heart of Sofia lies the Alexander Nevsky Cathedral, one of the largest Eastern Orthodox cathedrals in the world. With its golden domes and elaborate frescoes, this architectural marvel serves as a symbol of Bulgarian identity and a must-see attraction.