Top 20 Unsolved Mysteries Episodes That Will Keep You Up at Night

These are the "Unsolved Mysteries" episodes that will keep you up at night. For this list, we'll be ranking the scariest and most memorable episodes of the original Unsolved Mysteries series that gave us the creeps. Our countdown includes friends to the end, scared to death, the Tatum House, and more! Which mystery still keeps you up? Let us know in the comments!