15 Unsolved Mysteries That Cannot Be Explained

15 unsolved mysteries that cannot be explained. 15 unsolved mysteries that cannot be explained. The mystery of the Pennsylvania creature. On the 20th of May, 2008, drivers traveling along Route 43 in Washington County, Pennsylvania experienced something that would leave them disturbed and searching for answers for years afterward. In the middle of a partly sunny afternoon, beneath skies that appeared completely ordinary, witnesses reported seeing an enormous flying humanoid creature gliding low above the highway. So, what do you make of these 15 unsolved mysteries that cannot be explained. Thank you for watching! Thank you to CO.AG for the background music!