Thousands of well-dressed mummies below a monastery.

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

The underground sanctuary of a mysterious ancient cult.

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

The middle finger of modernity.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

An alchemist's "magic door" stands in the middle of a Roman park.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

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

The freshest fish here are the ones you catch yourself.

A Catholicism-themed restaurant where sacrilege is on the menu.

One of the first hotel rooms in a pod.

Transport yourself to the 1980s era of video games at this themed restaurant and bar.

Museum showcases Japanese sexuality and some amazing ocean views.

The self-mummified monks of Japan.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Shrine to Japanese water-goblins, complete with their preserved body parts.

Once a black market electronics marketplace, now an otaku shopper's paradise.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

This historical theme park celebrates all things noodle.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.