#UnexplainedAlien mysteries that puzzle. These enigmatic American enigmas will mystify your mind. Welcome to WatchMojo.world, and today we're ranking the most chilling, unresolved mysteries that took place in the United States. Our list of American unsolved mysteries includes the Knights of the Golden Circle, Area 51, The Zodiac Killer, and more! Which American mystery do you hope will be solved in your lifetime? Let us know in the comments below.
