World's first "penitentiary," meant to be humane, drove men insane.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

Thousands of well-dressed mummies below a monastery.

An experimental, automotive replica of Stonehenge.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A former factory serves as a shrine to the industry that sustained Santorini for decades.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

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

A perfect replica of the beloved show's first set.

An acoustic anomaly with a mysterious cause.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

Staves, storm-calling, and of course, necropants.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

Renaissance villa and gardens complete with a tormented colossus.

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

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

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The relics of dozens of martyrs are stored in a single chapel.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.