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

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

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

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

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

The former home of an Italian artist is now a shrine to his ambitious works.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

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

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

Its interior is adorned with some of the best examples of early Christian mosaics.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

This ancient market is often referred to as the oldest shopping mall in the world.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

Ancient ruins hidden underneath a modern luxury hotel.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

This large, circular tomb is the final resting place of the first emperor of Rome.