Are voices, spirits and apparitions trying to tell us something about past events? Come along as HAUNTED HISTORY explores historic locations and the chilling paranormal activity that still haunts them. Driven by terrifying eyewitness accounts, each episode examines a sites spooky events in relation to its gruesome past. Hear what the ghosts of soldiers at Gettysburg have to tell us, as well as spirits from a troubled orphanage and a Confederate field hospital nearby. Meet the restless souls plaguing Salem, Massachusetts, demanding their innocence be known. Visit Chicagos infamous Murder Castle, a historic, block-long hotel with trap doors, gas chambers and vats of acid, where spirits of the victims of the nations first serial killer appear to astonished witnesses. Also investigated are the Manson murders, the ill-fated Pennhurst Asylum in Pennsylvania, hauntings in New Orleans following Hurricane Katrina and more.