Although their purpose is unknown, these ancient Roman supporting arches showcase Hellenistic ingenuity.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This Romanesque church is built over the tomb of a martyr who legend says defeated a dragon.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

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

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

What appears to be an ancient Roman temple is actually a Catholic church.

This is the oldest Roman-made bridge in the city still existing in its original state.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

A statue representing a lost Roman profession that was vandalized for centuries.

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

A small cell adjacent to this church was once the bedroom for a renowned saint.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

One of ancient Etruria's most spectacular archaeological sites with impressive necropolises and rugged landscape.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

This curious, round temple is the oldest still-standing marble building in Rome.

Was this cave created by Hercules's wrath, the devil, or volcanic activity?