‘Nosferatu’ and ‘Horror in Headphones’ offer Orlando two new immersive encounters with the undead

So far this spooky season, I’ve experienced more than two dozen haunted houses and scare zones between Universal and SeaWorld’s Halloween events — not to mention facing down hordes of zombie clowns at Scream n’ Stream — and all that was before October had even begun. If you’re craving an All Hallows celebration, but you’re looking for something more sophisticated than jump scares, treat yourself to one of these eerily inventive theatrical experiences.…