Even on a sunny day, light cannot penetrate the darkness of shadowy caverns belowground. Without anything to light the way, these scary caves and spooky labyrinths can take on an otherworldly feel. Travel the world, visiting real caves and labyrinths with creepy legends and unbelievable paranormal events. Are the stories of strange figures and unexplained disturbances make-believe or signs of something more sinister? Decide for yourself . . . if you dare. Then, explore a world map of unnerving sites underground.