The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Pompeii's less famous neighbor is still revealing her secrets.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Rome's ancient Etruscan rival, now a park full of ruins.

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

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

2300-year-old Roman road connecting the empire.

An alchemist's "magic door" stands in the middle of a Roman park.

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

The final resting place of the poets Shelley and Keats.

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

A sculpture serving as an homage to Pope John Paul II.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

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

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

A Nesting Doll of Churches.

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

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

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

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

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