Stone pillars and a petrified wedding party in the hills of North Macedonia.

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

This cubist Vienna church building looks like some sort of alien stonehenge.

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

The beautiful baroque library of the Hapsburg empire.

The patron saint of spinsters grasps a container of dried blood.

A stairway to heaven, or to nowhere at all.

These warring psychedelic crags commemorate an unsuccessful military operation.

A forgotten and crumbling Yugoslav monument to the victims of fascism.

Conspiracy theories and occult legends surround this mysterious natural rock formation.