The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A hidden bas-relief of a hare on a church main portal that brings good luck to the ones who find it.

Naturally preserved bodies are eerily staged throughout the crypt in varying poses.

The oldest church in Mantua was buried for centuries under the facades of other structures.

This medieval oratory decorated in magnificent frescos was constructed after Charlemagne received a vision.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

Tiny castle in the middle of the Rhine made you pay to pass.

Romans built the world's tallest artificial waterfall in 271 BC.

An architectural oddity where the triglyphs of the courtyard of walls create an optical illusion.

Once the hunting reserve of a noble family, this is one of the few remnants of Pleistocene planitial forest in northern Italy that still stands.

Built as a defensive structure, this medieval walkway road offers a unique view of the village of Brisighella.

A historic and oft-filmed prison stands in a Chicago suburb.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Southern Italy's spinning top village.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

A long-buried ancient ruin unearthed right in the middle of the city.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

A family-run botanical garden with tropical plants, artsy sculptures, and eccentric buildings.