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

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

Renaissance villa and gardens complete with a tormented colossus.

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

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

Ruins of a 10th century church tucked away deep in a botanical garden.

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

2300-year-old Roman road connecting the empire.

An alchemist's "magic door" stands in the middle of a Roman park.