Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

One of seven Jewish catacombs in Rome and one of only two open to the public.

Gigantic Romanian salt mines used to heal respiratory conditions.

An underground city of salt.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.

Salt cured mummies continue to turn up in this Iranian mine.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Thousands of well-dressed mummies below a monastery.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

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

The legendary building that needed ghostly approval before being built.

A huge museum of much more than just agriculture displayed in a princess's palace.

A collection of collections, including an anatomy museum, the “Cabinet of Physics of Alessandro Volta, a museum of natural history, mineral collection, and much much more...

A collection of wax anatomy by the great sculptor Clemente Susini.

Anatomical cabinet holds unexpected treasures.

An amazing collection of wax anatomical models and terratological models.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

This museum is rotten with a century of wax medical deformities.

An extraordinary collection of 18th century anatomical waxworks.

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

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.