These unsolved American mysteries will make your head spin. Welcome to WatchMojo, and today were counting down our picks for the most unsettling, unsolved mysteries that occurred in the United States. Our countdown of American unsolved mysteries includes the Knights of the Golden Circle, Area 51, The Zodiac Killer, and more! Which American mystery would you love to see solved in your lifetime? Let us know in the comments below.

Watch more great mystery videos here:
Top 10 Creepiest Mysteries of All Time: https://youtu.be/1NtkmJ8mCeE
Top 10 Creepiest Mysteries That Were Finally Solved: https://youtu.be/AppQnVjjQ54
Top 10 Creepiest Mysteries About the Middle Ages: https://youtu.be/WGfgOimvLlw

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#Unsolved
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#Unexplained
#Crime
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#Aliens
#Disappearance