Venice's island of the dead.

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.

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

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

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

A hip bar decorated with walls of golden skulls.

Charnel house at the foot of Mount Sinai.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

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

Artfully arranged bones of 5,800 Austrians.

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

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

An ancient ossuary in Rouen.

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

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

The personal charnel house of Anton Bruckner.

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

Mysterious painted skulls in Moravia.

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

Northern Ireland's Brobdingnagian stepping stones.

The sign at the garden gate reads: "These Plants Can Kill."

A 30-acre garden inspired by the principles of modern physics.