Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

Ancient snack bar of the Roman Empire re-opened.

Virgil's many-mouthed gateway to the underworld.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

Walk through a fairytale in Tuscany.

The world's most active stratovolcano is almost always erupting.

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

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

An ancient artistic garden parlor full of hidden water wonders.

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

One of the largest caves in the world open to the public.

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

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

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

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

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

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

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

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

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

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

This abandoned Brutalist treehouse is a hidden architectural relic.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.