When a massive sinkhole almost as long as a football field suddenly opens in Florida, it swallows two homes and condemns six others; now, experts use cutting-edge tech to reveal the secret culprit behind this engineering disaster.

The Deepwater Horizon oil rig drilled into the deepest oil reserves on the planet, but a sudden explosion on-board led to the worst oil spill in history; experts reveal what went wrong and how cutting-edge science finally fixed this catastrophe.