In Death Valley, rocks and boulders appear to be cruising around on their own. Can this strange and seemingly impossible phenomenon be explained? North Carolina’s Brown Mountain is home to a strange and unexplained light show. But with so many compet... (more)ing theories, can science reveal the source of the mysterious dancing lights? And, tribe members in the remote mountains of Northern Mexico are known to run 18 times further than a marathon in one session – barefoot! Can science reveal the secret to this super human ability?