An Eastern city of Turkey, known in ancient times as Amida, spreads across a basalt plateau close to the banks of the Dicle River. The black basalt triple walls which encircle the old town give the city a rather ominous appearance.

Yangshuo lies along the Li River in southern China’s Guangxi region, long known for landscapes that have shaped Chinese art and poetry for centuries.

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.

Cienfuegos, located on Cuba’s south coast along a sheltered bay, stands apart from many other Cuban cities due to its distinct European origins. Founded in 1819 by French settlers, the city developed with a carefully planned layout, wide avenues, and neoclassical architecture that earned it the nickname “La Perla del Sur.”

An island of international renown, Hydra is one of the first islands to have been discovered by tourism and, due to the short distance from Athens, has for years hosted a large number of tourists.