The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

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

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

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

Five candy-colored villages on the Italian Riviera.

An Italian hillside ghost town.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

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.

The middle finger of modernity.

Renaissance villa and gardens complete with a tormented colossus.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

An oversized metal construction of Billy Tripp's moods going through life.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A toxic ghost town sitting atop a massive coal fire.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.