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

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

An Austrian house of bones filled with hundreds of intricately painted skulls.

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

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

This small chapel is built of human bones and decorated with a golden skeleton.

A church of bones, decorated with 40,000 human skeletons.

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

Mysterious painted skulls in Moravia.

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

"Looks so real, it's scary!"

A hospital where antique dolls are given new life.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

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

Arlington Cemetery exhibit dedicated to death and grieving.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

One of the best collections of wax anatomical models in the world.

A museum in the childhood house of a medical pioneer.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

Shocking dioramas of human torture, meant to promote human rights awareness.