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.

Byron Bay lies on the far north coast of New South Wales, Australia, where wide beaches meet the deep blue Pacific and the point of land known as Cape Byron marks the easternmost tip of the mainland. Standing tall above the coastline, the Cape Byron Lighthouse has guided ships since 1901 and now greets walkers and sightseers who take the scenic cliff-top path for views stretching toward whales during their migration season.

Santa Marta, located on Colombia’s northern Caribbean coast, is one of the country’s oldest cities, founded in 1525. It has long served as a gateway between the coast and the Sierra Nevada de Santa Marta, the world’s highest coastal mountain range.

La Rioja, located in northern Spain, is best known for its wine, but the region offers much more than vineyard views. Its capital, Logroño, sits along the Camino de Santiago and has welcomed travelers for centuries. The city’s historic center is compact and lively, with narrow streets lined by centuries-old churches, pintxo bars, and quiet plazas.

Often called the Eternal City, Rome stands alone as Italy's most visited destination. The third most populated city in the European Union, Rome boasts ancient sites, yet has a modern flair — an exhilarating mix of the Old World and the new.