The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

The site of a tragic massacre that spawned a multimedia franchise.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

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

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

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

A colorful Peruvian city of the dead.

A house of bones — but nobody is quite sure to whom they belong.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

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

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

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

Museum about life, death, and cannibalism in the Stone Age.

A neo-Gothic temple in central Mexico featuring a labyrinthine network of crypts.

Mexico's astounding mummy museum with "the world's smallest mummy."

Once a year in Pomuch, the dead are taken out for a cleaning.

A downtown park built on top of unclaimed graves.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

New Orleans' famous cemetery, located on the site of a former race track.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.