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

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

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

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

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

The middle finger of modernity.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Pompeii's less famous neighbor is still revealing her secrets.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A submerged archeological park still holds the wonders of a Roman Sodom.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

His body was found mysteriously preserved in a Swedish mine over 40 years after his initial disappearance.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

Mound of stones marking the burial site of the world's most famous orca.

According to the locals, the sands of this secluded Norway beach are infused with gemstone particles.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Walk behind a 50-meter-high waterfall.

An intricately carved Viking church overlooks a glistening fjord.

A stunning silver lining to global warming's gloomy cloud.

Home to three historic ships from the age of Vikings.

Finnish lake, and scene of an infamous murder mystery.

Legend has this precariously placed rock was placed by giants. Science has another explanation.