2300-year-old Roman road connecting the empire.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A Nesting Doll of Churches.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

An enigmatic modern marker left next to a historic Roman site.

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

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Gods clash with machines in a power plant regenerated as a museum.

The final resting place of the poets Shelley and Keats.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.