The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This coffee shop lies hidden beneath a historic church.

This mummified mermaid corpse is an aquatic curio that was eventually revealed to be a fake.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

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

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

Bell tower juts out from a village buried under a lake.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

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

Eighteen mummies have stood guard behind the altar of this tiny church since 1833.

This 20th-century replica of a 13th-century castle has itself fallen into ruin.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

Walk through a restaurant's refrigerator door to reach this hidden bar.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

Built to be the ideal penitentiary, this abandoned panopticon saw several revolts and even a prisoners' coup.

This tiny islet has somehow housed an ancient temple, two monasteries, a church, a fortress, and a restaurant.

A snow-white church overlooking the wonderful Tyrrhenian Sea.

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