Related: 24 Creative Jack-O-Lantern Ideas to Up Your Pumpkin Carving Game One of ... will-o’-the-wisp—an unsettling and inexplicable light emanating from a darkened forest or dense swamp.

Halloween jack-o’-lanterns ... up the skull and place it on a shelf inside a barrow, or burial mound. On Samhain, the day of the dead that we now call Halloween, people would enter the mound and ...