Nestled near Niagara Falls is Nightmares Fear Factory, a haunted house that has been running for over 30 years. In addition to actors wearing Halloween costumes, the haunted house has a huge, huge, huge amount of animated props. One of those props is a car that explodes out of the darkness and accelerates quickly toward you. Right when the car should run you over, it stops, and a photo is taken of your reaction.
Here are some of those photos:
For more photos, check out the official Flickr account: http://www.flickr.com/photos/nightmaresfearfactory/