A sunken idol welcomes parishioners to Davy Jones' Locker.

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

The final resting place of the poets Shelley and Keats.

David Sedaris called it "The greatest shop in the world."

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Architectural monsters are devouring this palace's every door and window.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Virgil's many-mouthed gateway to the underworld.

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

These "anatomical machines" are only one of the many strange items in this Italian crypt.

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.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

An Italian hillside ghost town.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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

The glowing blue Nymphaeum of Emperor Tiberius.

Abandoned medieval hill town.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

Geothermal waterfalls in Tuscany.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.