Berat, set along the Osum River in central Albania, is a city shaped by centuries of continuity and coexistence. Known as the City of a Thousand Windows, its white Ottoman-era houses climb the hillside toward a hilltop fortress, creating a striking and harmonious skyline.

A lesser-known river port in the Mekong Delta, Sa Dec was once the capital of Dong Thap province of southern Vietnam. Today, it is best known for its flower gardens and authentic bustling market. The city is also famous as the setting for French writer Marguerite Duras' 1984 novel, The Lover, and its 1991 film adaptation of the same name.

Replete with windmills and old-world charm, the village of Kinderdijk lies east of Rotterdam on the Lek River and is a popular stop for European river cruises. Home to the largest concentration of old windmills in the Netherlands, Kinderdijk was designated a UNESCO World Heritage Site in 1997.

Once the commercial center of the ancient world, Ephesus is an archaeological splendor and an essential stop on any visit to Turkey. The city, whose wealth and patronage support its splendid architectural program, was dedicated to the goddess Artemis.

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