A rock collapses inside a mine in Chile, trapping 33 miners almost half a mile under some of the hardest rock on Earth. The Chilean authorities and an international rescue team face a major challenge — they must find the men and, if they're still alive, figure out how to bring them to the surface. Never before has this type of rescue been attempted, and no one knows if it will succeed.

Montecito is hit by a devastating natural disaster that leaves its residents fighting for their lives. Overnight, the quiet California beach town is swamped by a terrifying series of debris flows that destroys homes and leaves streets swimming in mud. Through eyewitness testimony and footage taken during the disaster, we reveal how split-second decisions made the difference between life and death.

The story of the largest wildfire in Portugal's history and how it devastated a rural community. As firefighters tried to control the blaze, fierce winds from a thunderstorm combined with the fire to make it unstoppable. Fleeing locals were caught in the inferno — many injured and killed. Through forensic analysis, we reveal how this event unfolded.