[Photo via] Plunge further into Rob Zombie's films and experience the horrors yourself at his terrifying Great American Nightmare. Walk through catacombs underneath a bank where real life legends of gore haunt the site of the Old Town Haunt in Pasadena. Find out what stuntman Jon Braver and Neil Patrick Harris created to give you a psychological thrill in Delusion. Board the Queen Mary Dark Harbor and encounter ghosts that haunt the docked vessel. Test your nerve and catch serious thrills during this spooky time of year using this guide to L.A.'s most frightening haunted house experiences and attractions to hit this Halloween season.