Ho Ho Haunted Fort Mifflin invites you to get into the holiday “spirit” with their unseen co-workers for a Haunted Holiday Open Investigation Evening. Enjoy investigating the deep dark corners of the Fort, then warm up by the fire. Complimentary light refreshments! Appropriate for both experienced and novice paranormal investigators with special access to areas not open to the general public. BYO equipment or just a cell phone and flash light – experienced investigators will be on hand to assist you and review evidence. Advance purchase required, tickets strictly limited to assure a great experience. More details here.