Istanbul is a city built on layers of empire. Spanning two continents, it was once the capital of three major empires: Roman, Byzantine, and Ottoman. Visitors walking through the Sultanahmet district can witness this timeline firsthand, from the Roman-era Hippodrome to the Byzantine mosaics of Hagia Sophia, and the towering minarets of the Blue Mosque. At nearby Topkapi Palace, rooms still display the jeweled swords, ceremonial robes, and handwritten Qurans once used by Ottoman sultans.

The Irish Republic's second largest city is a surprisingly appealing place - you'll find time passes effortlessly during the day, and by night the pub scene is lively. The town center is uniquely situated on an island between two channels of the Lee River.

The Port of Stavanger is a popular stop on the route to the Norwegian Fjords, and boasts a first-rate assortment of museums and cultural events. Old Stavanger has Europe’s best preserved wooden house settlement.

Considered a hub for the world’s information technology industry, India is a major player in the global economy, and its cosmopolitan cities, including Delhi and Mumbai, offer a mosaic of modern and historic architectural styles for locals and visitors alike to enjoy.

Durango, located in north-central Mexico, is a destination rich in history, dramatic landscapes, and cultural traditions that date back centuries. Once a key outpost during Spanish colonization, Durango played an important role in the development of northern Mexico. The city of Victoria de Durango, the state capital, features cobblestone streets and more than 1,000 officially registered historical structures.