Roman

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

A forgotten "city of water" underneath the famous Trevi district.

Three stone bridges straddling the River Gowy form part of the medieval road from London to Holyhead—despite a common nickname, they're not Roman.

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

The ruins of this temple were later chosen by Pope Celestine V to found an abbey and a hermitage.

Remnants of the Roman empire's northern frontier nestled in suburban Glasgow.

This lesser-known leaning tower is all that remains of the medieval castle of Vernazzano.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

According to a local legend, this bridge was constructed by an astrologer with the help of the devil.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

The fragmented remains of a massive public bath connected to the city's water supply.

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

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

The ruins of this Roman temple dominate the small city in southern Lazio.

The disputed geographic center, or "navel," of Italy.

Only three columns survive from this ancient temple in the town of Cori.

Unscathed for almost 2,000 years, the best preserved Roman triumphal arch is in a small southern Italian city.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.