The only remaining section of an aqueduct that used to supply water to Manila during the Spanish occupation.

A Roman water tunnel still flows 2,000 years on.

A river hides a charming medieval bridge.

Water still flows through the oldest Spanish aqueduct in America.

In the 16th century, a Franciscan monk pulled off a construction miracle by building a Roman-style aqueduct to save the town of Otumba, Mexico, from certain death.

The ruins of a failed dam that was built over land later described as a "sponge."

This 19th-century aqueduct provides insights into how water was supplied to Victoria on the island of Gozo before modern plumbing.

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.