This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Anatomical cabinet holds unexpected treasures.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

The plague quarantine island home to the alleged "Vampire of Venice."

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

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

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

A hospital where antique dolls are given new life.

Jesus' footprints and the first catacombs in the world.

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

The underground sanctuary of a mysterious ancient cult.

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

Ever hear of the Milazzo Cage?

The middle finger of modernity.

This museum is rotten with a century of wax medical deformities.