The Amityville Horror was perhaps history's most famous haunting. Nearly every known form of paranormal activity was experienced in this Long Island home. Could the spirit have returned? There are eerily similar phenomena occurring in a new location. MysteryQuest investigates using new technology built specifically for their investigation as they try to prove that these demonic spirits not only exist but that they've taken over. [http://www.history.com/shows/mysteryquest/episodes]