Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.

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.

Nuku Hiva is the largest of the Marquesas Islands in French Polynesia, a place where scale and isolation shape both history and daily life. Long before European contact, the island supported complex Marquesan societies known for stone architecture, tattoo traditions, and ceremonial sites, many of which remain scattered across its valleys.

Amsterdam, the 17th century capital of Holland, is often called the "Venice of the North" due to its numerous, boat-navigable canals. Truly rich in history, the oldest part of this populous, multicultural city is Sloten, which dates all the way back to the 9th century.

Darjeeling sits along a ridge in the eastern Himalaya, shaped by colonial history and long-standing ties to the surrounding hills.