One of the most important yet well-hidden museums dedicated to the history of medicine.

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

A madman's personal garden filled with 1,000 sculpted heads.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

Geometry and mystery come together in an epic show of octagonal masonry.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

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

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

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

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

A medieval weapon rumored to have been used by the brilliant poet himself.

Roman-era ships unearthed...

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

A huge enchanting public park just outside the ancient walls of Rome.

This magical-looking island is notorious for the misfortunes suffered by its owners.

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

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

A sulfuric hellscape in southern Italy.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

These delicate sand pyramids look like naturally occurring gothic spires.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.