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.

Spain offers a wide range of experiences shaped by centuries of layered history and regional diversity. From the Moorish palaces of Andalusia to the Roman aqueduct in Segovia and the Gaudí-designed landmarks of Barcelona, each city reflects a different chapter in Spain’s past. In Granada, the Alhambra still stands as a masterpiece of Islamic architecture, with detailed carvings, hidden courtyards, and panoramic views of the Sierra Nevada mountains.

Located on the coast of Sinaloa, Mexico, Mazatlán is a trendy resort town with spectacular beaches and thrilling nightlife. Centro Histórico (Old Town) and Plazuela Machado are replete with colorful, newly-restored neoclassical buildings.

Belize, tucked between Mexico, Guatemala, and the Caribbean Sea, is a country where ancient history and untamed nature meet. Once the heartland of the Maya civilization, Belize is dotted with impressive archaeological sites such as Caracol and Xunantunich, where towering pyramids rise above jungle canopies.

Astoria, Oregon is the state's oldest city. Located on the Columbia River near the Pacific Ocean, Astoria is rich in history, including fishing, canning and the Lewis and Clark Expedition.