Ancient masters ... the Segovia aqueduct is a UNESCO World Heritage site, and one of the best preserved Roman aqueducts in the world. Built to carry water from the Frío River 10 miles away ...

We asked Aicher, author of "Guide to the Aqueducts of Ancient ... feature of Roman aqueducts. NOVA: So they were actually building tunnels? AICHER: Yes. A tunnel might be five, 10, or even 20 ...

The Aqua Marcia was the longest of Rome’s aqueducts, running nearly 60 miles from its source in the countryside to the heart of the city. It was built between 144 and 140 B.C. by Julius Caesar ...

Tourists exploring the ancient Roman aqueduct in İznik, Bursa, recently made an unexpected discovery: an Ottoman Period tombstone integrated into the aqueduct's construction. The tombstone was ...