This former fascist summer camp was abandoned for decades.

The now-abandoned Fascist summer colony served a dark purpose during World War II.

An abandoned village, frozen in time by the threat of a landslide.

Ever hear of the Milazzo Cage?

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

A forgotten "city of water" underneath the famous Trevi district.

A small cell adjacent to this church was once the bedroom for a renowned saint.

A modern sliver of architecture in Roma.

The atmospheric road was never meant to be so creepy.

A museum marks and documents the site of the Titanic's launch.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

An Icelandic island full of diving birds and legend.

The ruins of this medieval castle now stand as a monument against all wars.

This garden among the Florentine hills is complete with a meditation path and works of poetry.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

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

This monastery built into a cliff hides a perfectly preserved hermit in a glass coffin.

The walls and streets of the ancient city are peppered with penises.

This Italian foot path winds through the mountains via 52 individual tunnels.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.