To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.

Situated on the Isthmus of Panama, the tropical Republic of Panama is of course best known for its canal. Thousands of ships cruise through the Panama Canal locks each year. Visitors to the country will also find diverse wonders of nature, including plants, birds, and trees. Panama City, its capital, has over a million inhabitants and is a modern, bustling destination.

Ancient history comes alive in Athens, the capital of Greece. Gaze in wonder at the Acropolis and its iconic crown, the Parthenon. Take a deeper dive into the past and visit both the Acropolis Museum and the National Archaeological Museum, which house fascinating artifacts from this ancient city.

Roma. The Eternal City. Whatever you call Rome, it 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.

Flanked by the Chilean Coast Range and the snowy Andes, Chile's largest metropolis offers a dazzling array of sights and attractions for visitors to pursue. Mirrored skyscrapers, 16th-century churches, hip cafes, dance clubs... and did we mention the delicious Chilean cuisine?