A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

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

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A massive marble foot is tucked away in a small alley near the Pantheon.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

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

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This statue is the only female representation of Rome's "talking statues."

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

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

This small village claims to be independent from Italy because it was left out when the nation was unified.

The oldest civic library in Italy can trace its foundation back to 1619.

Florence’s archaeological museum displays an ordinary stool that once shattered one of its most prized artifacts.

One of England’s oldest and most haunted inns may have inspired the legend of Sweeney Todd.

An obsolete, long-forgotten advertising character lingers on this Sainsbury’s balcony railings.

A cornucopia of gargoyles adorns the oldest portion of Oxford’s Magdalen College.

The ceiling of this shopping arcade is adorned with six trompe-l’œil artworks, including a grim funeral scene.

A gigantic mechanical bull rages over unsuspecting passengers at Birmingham’s central station.

In 1988, jazz legend Chet Baker fell to his death from a window of this hotel facing Amsterdam Centraal.