Barcelos Bridge - Credit: Wikimedia Commons
Barcelos Bridge is a medieval bridge that crosses the Cávado River in Barcelos, Portugal. The bridge was classified as a National Monument in 1910. Construction started in 1325 by order of Pedro Afonso, Count of Barcelos; the structure underwent re-construction works during the XVII and XIX centuries. It features five uneven arches, with cutwaters in the pillars. Read more on Wikipedia
Source: en.wikipedia.org