Here's a couple haunted attractions that I believe work on what your mind fills in, what it worries about, what it imagines. Those are the best scares. There are universal scares like people jumping out at you, but it's the sinister unknown that makes your creep factor peg over to a "10" on the rating scale.
Instead of loud noises, chainsaws, and in your face "terror," let's get back to basics -
THE LIGHTNING HALLWAY
I've always wanted to do a haunted attraction that would have a long wide hallway decorated like those typical haunted mansion ones with mirrors and ornate tables and a long turkish rug beneath your feet, a window at the far end....