"H.H. Holmes: America's First Serial Killer and His Murder Castle" takes you deep into the horrifying world of one of history's most sinister figures. H.H. Holmes, a charming yet cold-blooded murderer, constructed a labyrinthine "Murder Castle" in Chicago, designed to trap, torture, and kill his unsuspecting victims. This episode explores his chilling methods, the gruesome discoveries made within his castle, and the dark legacy of America's first documented serial killer. Join us as we uncover the twisted mind behind the horrors and unravel the truth about the infamous "Castle of Death."