A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

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

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.

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

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

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

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

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

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

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

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

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

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

Artfully arranged bones of 5,800 Austrians.

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

World's largest cave was only discovered in 1991, and now offers tours to the public.

Temple of a million beers.

Have fun at the world's first Buddhist waterslide park.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.