An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The naturally mummified body of a peasant girl saint.

Natural mummies hidden in the crypt of a medieval French church.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

The natural mummy of the less than chivalrous Knight Kahlbutz.

The remains of the great moral philosopher reside in a university in London.

The mummified relic of St. Catherine sits forever on a golden throne.

Mummified monks and the accidentally interred, in a 17th-century crypt.

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

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

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

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

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

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

Thousands of well-dressed mummies below a monastery.

Structure built from the skulls of vanquished foes.

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