Aliens and Evil Places (S03E10)

Throughout history, certain locations have been deemed perilous for humanity. Do these sites harbor a link to extraterrestrial forces? In Australia's Black Mountains, folklore tells of ancient serpent deities and the mysterious vanishings of hikers. Each year, numerous individuals flock to the ominous forest at the foot of Japan's Mount Fuji, drawn to tragic acts of suicide. What is it that renders these areas malevolent? Is there a possibility that previous alien encounters have contributed to the dark energy surrounding Earth's most sinister places?