(Photo: Reuters/Rick Wilking)
A group of girls react to a live actor character at the "13th Floor" haunted house in Denver October 18, 2013. America's Haunts, a trade association, estimates there are 1,200 large-scale, for-profit haunted attractions in the U.S. plus another 3,000 haunted houses operated by charities that open for only a day or two every year. The commercial attractions collectively bring in from $300 million to $500 million annually. Picture taken October 18, 2013.
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