These discoveries freaked people out! Welcome to WatchMojo, and today were counting down our picks for the creepiest archaeological finds that are still unexplained decades or even centuries later. Our countdown of the scariest unexplained discoveries ever made includes Headless Vikings, Shackled Skeletons, The Unidentified Man of Sligo, Neanderthal Cannibalism, and more! Which unexplained discovery do you find the most haunting? Let us know in the comments below.

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#Unexplained
#Discoveries
#Discovery
#Unsolved
#History
#AncientHistory
#Scary
#Creepy