Roman bridge, Cordoba, Spain

© Jeremy Woodhouse/Getty Image

Roman bridge of Cordoba, Spain

The Roman Bridge of Cordoba traverses the Guadalquivir River and is a landmark of the city's history. The bridge, built in the first century BCE during the expansion of the Roman Empire, has been rebuilt throughout the years, with most of the current bridge reconstructed by Arabs in the eighth century. While it has seen centuries of traffic, it is now only open to pedestrians. If it looks familiar, you might have spotted it in season five of 'Game of Thrones,' where it stood in as part of the fictional city of Volantis.