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http://www.youtube.com/channel/UC9MAhZQQd9egwWCxrwSIsJQAmerica Unearthed: Mysterious Artifact Revealed in Chicago (S3, E9) | Full Episode | History -

Scott Wolter investigates a 3000-pound boulder hidden inside the Chicago History Museum's secret storage location. The Waubansee Stone used to be even bigger when it sat along the Chicago River. See more in Season 3, Episode 9, "The Blood Stone." #AmericaUnearthed
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In "America Unearthed," host Scott Wolter uses hard science and intuitive theories to explain the most mysterious artifacts and sites in America.

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