A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

A formerly abandoned mental institute, now back in business.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

An abandoned asylum incorporated into a college campus.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

One man's little-known private clock museum hides inside a historic farmhouse, set amidst the Austrian countryside.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

"You can only scalp a customer once, but you can give him a haircut every two weeks"-Barber's Maxim.

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

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

A fairy tale castle in modern Rome.

The yawning maw of this pagan visage is said to bite off the hands of liars.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Huge masonic hall in Philadelphia with lavishly themed rooms.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A rare view of a preserved Victorian science museum.