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.

San Juan, Puerto Rico’s capital, is a city where cobblestone streets lead to centuries-old forts and pastel-colored buildings overlook the Atlantic. The district of Old San Juan is a UNESCO World Heritage Site, known for its Spanish colonial architecture and thick stone walls that once defended the city from pirates and naval attacks. The city hosts regular events such as La Campechada, which celebrates Puerto Rican art and literature with live performances and open-air exhibits.

Azerbaijan, often called the “Land of Fire,” sits at the crossroads of Europe and Asia along the Caspian Sea. Its capital, Baku, blends futuristic architecture with centuries-old history.

Along the banks of the Moselle River, Cochem is a charming village known for Reichsburg castle as well as its old town, with its half-timbered houses.

Nestled in the Bavarian Alps, Oberammergau is a charming village in Germany that exudes a timeless allure. Renowned for its stunning alpine scenery, traditional Bavarian architecture, and vibrant cultural heritage, this small town offers an unforgettable experience for visitors. Oberammergau is perhaps best known for its world-famous Passion Play, a tradition that dates back to 1634.