A memorial to the murdered Jews of Kaunas.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

Lithuania's outdoor sculpture trail of wooden folk art.

Medieval torture techniques with a modern conscience.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

Artfully arranged bones of 5,800 Austrians.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

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

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

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

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

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

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

The site of the first battle of World War II.

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

Thousands of well-dressed mummies below a monastery.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.