360 tornadoes tearing across the American South in four days, monstrous debris torrents sweeping through coastal valleys, catastrophic Himalayan avalanches, trapped miners half a mile beneath solid rock, and merchant ships lost in the eyewalls of Category 4 hurricanes. Welcome to Global Disasters | Witness to Disaster MEGA Episode | National Geographic. In this definitive feature-length compilation from National Geographic’s acclaimed documentary series Witness to Disaster, examine the harrowing real-world footage, forensic scientific breakdowns, and extraordinary survival stories behind modern history’s most devastating global disasters.
