This picturesque Umbrian city has a subterranean side that has long remained hidden.

What looks like a link in Gondor's early warning system is actually a centuries-old Italian fortress.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

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

Ever loyal to Roma, the small village of Albe in the Abruzzo region carried on until an earthquake did it in.

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

A 16th-century horror show built in a lovely Italian garden.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

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.

Largest necropolis in the Mediterranean.

Caligula's colossal pleasure ships, discovered by Mussolini only to be lost in flames.

Roman-era ships unearthed...

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

Rome's ancient Etruscan rival, now a park full of ruins.

Jesus' footprints and the first catacombs in the world.

One of seven Jewish catacombs in Rome and one of only two open to the public.

Architectureal fantasy quarter of Rome.

A fairy tale castle in modern Rome.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

Gods clash with machines in a power plant regenerated as a museum.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

The Pope’s secret escape route.