Novi Sad, Serbia’s second-largest city, sits along the banks of the Danube River and has long served as a cultural meeting point in the Balkans. Its centerpiece is Petrovaradin Fortress, a massive 18th-century stronghold nicknamed the "Gibraltar on the Danube." The fortress is known not just for its historic architecture but also for its network of underground tunnels and the iconic clock tower where the hands are reversed, meaning the large hand shows the hour.

Zacatecas, built into the slopes of a narrow ravine in north-central Mexico, is a city with a deep mining past and a striking skyline. The historic center, a UNESCO World Heritage Site, is known for its pink cantera stone buildings, narrow alleys, and impressive baroque facades. The Cathedral Basilica of Zacatecas, completed in 1752, stands as one of the most detailed examples of Mexican baroque architecture, with hundreds of carved figures covering its sandstone exterior.

Selcuk, a small town in western Turkey’s İzmir Province, is one of the country’s richest destinations for history lovers. It sits at the foot of the ancient city of Ephesus, once one of the great cities of the classical world and home to the Temple of Artemis, one of the Seven Wonders of the Ancient World.

Sète is a lovely port city in southern France, often called the "Venice of Languedoc" because of its many canals. The old port area is full of history and charm, making it a great place to explore. Visitors can stroll along the canals while observing the daily activities of fishermen and admire the array of boats moored along the quays.

Veracruz, Mexico, is a vibrant port city rich in history and culture. Founded in 1519 by Hernán Cortés, it is Mexico’s oldest city, and its historic center, with its colorful colonial buildings and bustling Zócalo, reflects its deep historical roots. Visitors can explore the impressive San Juan de Ulúa Fortress, a massive colonial-era fort that once served as a prison and a key military base.