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.

Astana, officially known as Nur-Sultan, is the modern capital of Kazakhstan and a striking example of contemporary urban design in Central Asia.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Kraków lies in southern Poland along the Vistula River and serves as one of the country’s most recognized cultural centers. Its layout is shaped by a well-preserved historic core, with streets radiating from a large central square. The city retains a human scale, where daily life unfolds among historic buildings, universities, and markets. It stands apart for its continuity of urban life, where medieval structures coexist with modern institutions without dramatic contrast.

Colombo, the commercial capital of Sri Lanka, is a vibrant city where colonial architecture meets modern skyscrapers. Visitors can explore historic sites such as the Gangaramaya Temple, the Dutch Hospital, and the Colombo National Museum, which reflect the city’s rich cultural heritage and diverse history.