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

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

A collection of objects supposedly singed by the hands of souls in purgatory.

Five candy-colored villages on the Italian Riviera.

Jesus' footprints and the first catacombs in the world.

The largest and most famous wax anatomical collection anywhere in the world.

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

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

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

Venice's "Island of the Mad."

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.

Pompeii's less famous neighbor is still revealing her secrets.

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

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

A moss-covered statue of a Japanese Buddhist deity stands at a quiet temple in downtown Osaka.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

"Excuse me sir, your submarine is blocking my building."

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

A museum dedicated to the history of Tokyo's often-overlooked working-class district.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.