More otherworldly characters - the so-called drosoulites, or ghosts of fighters killed by the Turks in 1828 - can apparently be seen marching around dawn each year in late May, over at Frangokastello.

BBC: Seductive southern Crete

Other technological ghosts have seeped into our culture and current technology so deeply that we can't shake them out even when we try.

FORBES: Magazine Article

Two in three of those who love Halloween believe in ghosts, 33% claim to have actually seen a ghost, and 28% believe people can really put a curse on someone that works, says DDB Worldwide.

FORBES: How Adults Have Hijacked Halloween From Kids