Are ghosts real? It's a question we've all asked ourselves. You've heard bump-in-the-night noises, smelled weird odors, and experienced bizarre dreams. And, thanks to our cultural obsession with ...

Add Yahoo as a preferred source to see more of our stories on Google. Other hauntings seem to be more interactive, and "those usually stem from the classic idea of unfinished business," says Amy.

A door creaks shut, unexpectedly; a footstep is heard on the stair; a face seen at the window. The haunted house is a staple of gothic writing, television and film, but what is it about this humble ...