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

A Nesting Doll of Churches.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

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

Architectural monsters are devouring this palace's every door and window.

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

A hospital where antique dolls are given new life.

A collection of objects supposedly singed by the hands of souls in purgatory.

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

The Pope’s secret escape route.

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

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

The final resting place of the poets Shelley and Keats.

Harlequin costumes, signed scripts, and armor-wearing puppets.

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

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Ever hear of the Milazzo Cage?

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

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The mystic whose incorrupt corpse still attracts the faithful.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.