Córdoba, located in the heart of Andalusia, was once the most advanced city in Western Europe. During the 10th century, it served as the capital of Al-Andalus and was a center for learning, science, and art. Today, visitors walk the same streets that philosophers, poets, and physicians once crossed. The city’s most famous landmark, the Mezquita-Catedral, reflects its layered past. The red and white horseshoe arches inside are one of the most photographed interiors in Spain.

Delhi is a sprawling metropolis in North India that contains the country's capital, New Delhi. Life is abuzz and hectic here, with traffic going every which way. A huge population shuffles through Delhi's streets, alleys and food and spice-selling bazaars, and it's quite memorable to be a part of it all.

Xi’an, located in central China’s Shaanxi Province, served as the starting point of the ancient Silk Road and was the capital of 13 imperial dynasties. Its long history is most famously represented by the Terracotta Army, an underground army of life-sized warriors discovered in 1974. Each figure has distinct facial features, hairstyles, and armor, designed to protect Emperor Qin Shi Huang in the afterlife.

Cape Town, located at the southern tip of South Africa, is one of the world’s most striking coastal cities. Towering over it is Table Mountain, a flat-topped landmark that can be reached by cable car or on foot, offering sweeping views of the city, ocean, and beyond.

Marseilles is an enticing port city known for its delectable seafood, breathtaking views of the Mediterranean, and diverse melting pot of cultures.