Alcántara Bridge
Alcántara, Spain
The Alcántara Bridge (also known as Trajan's Bridge at Alcantara) is a Roman bridge at Alcántara, in Extremadura, Spain. Alcántara is from the Arabic word al-Qanṭarah meaning "the arch". The stone arch bridge was built over the Tagus River between 104 and 106 AD by an order of the Roman emperor Trajan in 98.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).