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

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

These delicate sand pyramids look like naturally occurring gothic spires.

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

Southern Italy's spinning top village.

A fake medieval village in the middle of Turin.

Italian cave with exceptional acoustics and an unsavory history.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

An ancient artistic garden parlor full of hidden water wonders.

A sunken idol welcomes parishioners to Davy Jones' Locker.

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

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

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

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

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

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Geothermal waterfalls in Tuscany.

Renaissance villa and gardens complete with a tormented colossus.

A submerged archeological park still holds the wonders of a Roman Sodom.

For decades, vendors have sold clothes once worn by American soldiers who stormed Italy in the 1940s.