An infamous Cold War cold case: nine hikers found mutilated on a remote mountain slope. For over 60 years, authorities and amateurs alike have been trying to figure out what happened, in a place that's been called "Russia's Area 51."

After a series of dark and ominous events, an unassuming family home on Long Island becomes the most notorious house in America. 50 years later, it's spawned a title wave of books, documentaries, and films; but do haunted houses really exist? Who--or what--is really responsible for the Amityville horror?