List of ancient Greek and Roman architectural records
This is the list of ancient architectural records consists of record-making architectural achievements of the Greco-Roman world from c. 800 BC to 600 AD. == Bridges == The highest bridge over the water or ground was the single-arched Pont d'Aël which carried irrigation water for Aosta across a deep Alpine gorge.
Source: Wikipedia — List of ancient Greek and Roman architectural records (CC BY-SA 4.0)