This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

A hospital where antique dolls are given new life.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

David Sedaris called it "The greatest shop in the world."

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Abandoned medieval hill town.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This 16th-century monastery has been turned into a surrealist architecture compound.

The largest and most famous wax anatomical collection anywhere in the world.

Jesus' footprints and the first catacombs in the world.

An Italian hillside ghost town.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

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 glowing blue Nymphaeum of Emperor Tiberius.

Venice's "Island of the Mad."

The final resting place of the poets Shelley and Keats.

The oldest operating pharmacy in the world features 800-year-old recipes.

Thousands of well-dressed mummies below a monastery.