List Photo: user uploaded image unsolved mysteries The Greatest Unsolved Mysteries Ever Bootsdad 111 votes 29 voters 1.7k views 7 items Embed List Rules These are the tough ones. Amateur sleuths please weigh in. These are some head scratchers that get me thinkin'. 1 + - 18 1 Jack the Ripper Thought this one was solved, but since numerous people have come to different conclusions I'll consider it unsolved. Theories About Jack the Ripper That Will Freak You Out The Greatest Female Villains 2 + - 13 2 In Search of D.B. Cooper I find this case fascinating. 3 + - 15 4 Escape from Alcatraz Check the movie out too, but this is one great mystery 4 + - 15 5 Zodiac Wow, perhaps the granddaddy of em' all. Websites, movies, books, crazy people ranting in the street. Everyone has a theory what is yours? 5 + - 12 3 Roswell I am aware the military said it was a 'weather ballon'. C'mon. 6 + - 9 3 Georgia Guidestones Any idea who built this, and what their purpose was? 7 + - 4 7 Perfect Murder, Perfect Town This story broke my heart when I heard it. Honestly, it still does.