Photos That Captured the Most Chilling Moments in History

Chicago, 1890s

This is the World's Fair Hotel owned by H. H. Holmes, an American serial killer active from December 1891 to November 1894. Although he confessed to 27 murders (including of people who were still alive), Holmes was sentenced to death for only one murder. Victims were killed in a building Holmes owned in Chicago, informally known as the Murder Castle.

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Post originally appeared on Upbeat News.