The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Europe's second largest ossuary wasn't discovered until 2001.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

This Italian church is as beautiful as it is common, except for the real skulls decorating the many mannequins inside.

These jeweled relics have a scandalous and contested past.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

The patron saint of spinsters grasps a container of dried blood.

Bring out your dead (saints that have been festooned and bejeweled, so that we can parade them around the town)!

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Ancient catacombs form the foundation for this Rococo orgy of a church.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

Jesus' footprints and the first catacombs in the world.

The largest catacomb system in the world.

Thousands of well-dressed mummies below a monastery.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This odd museum/art gallery embraces the physiological, zoological, and ethnographic side of sex.

A semi-scholarly approach to sex.

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

An encyclopedic collection of mammal penises.