York, England, is a city where over 2,000 years of history comes to life. Originally founded by the Romans in 71 AD as Eboracum, York has witnessed the rise and fall of empires, from the Vikings to the Normans. Today, the city retains its medieval charm, with its historic York Minster, one of the largest Gothic cathedrals in Northern Europe, standing proudly as its centerpiece.

Xi'an is the capital of Shaanxi (Shen-hsi) Province, and the cultural center of the historic and agriculturally rich Wei River valley.

Basel is the global center of the pharmaceutical industry, but most travelers visit for the world-famous ART Basel festival, as well as the numerous art galleries, iconic architecture and museums.

Nestled in the Aburrá Valley and surrounded by the Andes mountains, Medellín offers a stunning backdrop for visitors and boasts a pleasant climate year-round, earning it the nickname "City of Eternal Spring."

An essential passageway between the Atlantic and Pacific Oceans, the Panama Canal is an extraordinary technological landmark and a testament to human innovation. Built in the early twentieth century by American engineers, the canal weaves through the Panamanian isthmus and allows easy access for commercial freighters and cruise ships alike.