If You Find a Bent Tree in the Forest, You May Have Just Stumbled Upon a Centuries Old Secret

Human curiosity is boundless, and there is always something that compels us to learn everything there is to learn about the planet we live on. However, there are some questions that seem like they will forever remain unanswered. From the mysterious story of Walter Collins to spontaneous human combustion, here are 15 unsolved mysteries that cannot be explained. For copyright matters, please contact us at: @ ~ Top Generality