Impressive as any aqueduct, the Basilica Cistern (Yerebatan Sarnıcı) in Istanbul—built in Emperor Justinian’s time in the sixth century A.D.—could hold nearly three million cubic feet of ...

The Roman aqueduct of Segovia, probably built c. A.D. 50, is remarkably well preserved. This impressive construction, with its two tiers of arches, forms part of the setting of the magnificent ...

The bridge itself is 48 metres high and 275 metres long, making it the highest Roman aqueduct still standing today. What ...