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.

Eminently livable and a pleasure to visit, Zurich is Switzerland's largest and most affluent city. This Central European metropolis is an engine of finance and banking, and has much to offer to visitors. There are numerous art museums, fine chocolate stores, and boundless luxury shopping opportunities.

Oviedo, the capital of Asturias in northern Spain, offers a rare mix of medieval heritage and everyday life that feels rooted rather than staged. The city’s historic center is home to some of the oldest pre-Romanesque buildings in Europe, including the UNESCO-listed Santa María del Naranco and San Miguel de Lillo. Cider, not wine, defines the local table. Oviedo is surrounded by apple orchards, and the traditional drink, sidra natural, is poured from a height by skilled escanciadores.

Yucatán, a Mexican state, is popular for its Gulf of Mexico beach areas and spectacular Mayan ruins. It is bordered by the states of Campeche and Quintana Roo.

Chennai, the capital of Tamil Nadu, is one of India’s oldest continuously inhabited cities, where ancient temples stand alongside colonial-era architecture and modern skyscrapers. Originally known as Madras, the city grew around Fort St. George, built by the British East India Company in 1644. One of Chennai’s most well-known features is Marina Beach, which stretches for over 13 kilometers and is among the longest urban beaches in the world.