Secret refuge and museum of the Duke of Florence.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

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

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

Architectureal fantasy quarter of Rome.

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

Ever hear of the Milazzo Cage?

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

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

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

Museum preserving torture methods from the past.

Repository for more than 22 million pickled specimens.

Eighty million natural history specimens call this gargantuan museum home.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

The curios of pharmacist and collector Henry Wellcome.

An incarceration museum on the spot of possibly the oldest prison in England.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

Hear the quietest sound from across the dome.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The anatomical-pathological collection of a man who changed surgery.

An intricate and amazing house built by architect Karl Junker.