it's harder to locaca our body in space. we lose all sense of where we are. >> reporter: but yet many of us seek fear out. >> the first time i came to scarehouse was because i so desperately wanted to escape the stress of writing my dissertation dissertation. there's something that's been woven into our dna that wants to go out and see new things, explore new areas. and to challenge ourselves. >> reporter: in the modern world we get fewer chances of thth. >> for many americans, life is pretty ststctured. >> too boring? >> yes. >> reporter: there isn't a lion at the watering hole to scare souse we seek out fear in books, movie houses, scarehouses. this might be good for us. >> when we're scared our thinking brain is taking a break. all the worry and the concern, it gets pushed to the side because our body wants to prioritize things that are going to help us survive. >> reporter: i'm out. time for the post-match analysis. i am subjected to the s se unds that previously made me jump. >> the startle, whether or not you were hold