"I'm wearing a size 8 mens shoe, I used a piece of floss to get a proper measurement when I got home and it was 21.5 inches long," via unexplained-Mysteries Image Credit: Facebook / Jennifer Powell O'Neal A woman who had been driving through Washington State recently came across something rather unusual. Posting on the 'Washington Bigfoot' Facebook page, the woman - Jennifer Powell O'Neal - described finding an intriguing set of large footprints leading up a steep hill in the vicinity of Mount St. Helens. "I had to climb up a bit to get to the first print," she wrote. "There were 3 total to the top and I couldn't safely get up the rest of the way to check at the top of the hill." She also included photographs showing one of the footprints next to her shoe and her hand. "I'm wearing a size 8 mens shoe, I used a piece of floss to get a proper measurement when I got home and it was 21.5 inches long," she wrote. "I looked for possible prank by human but it would have been impossible to