

Trace the chain of events that led to a deadly explosion on the Deepwater Horizon rig and unleashed the largest marine oil spill in history; see the failed part that caused the NASA Challenger Space Shuttle to explode seconds after liftoff.

Experts examine how the Chernobyl nuclear disaster and the Bhopal gas tragedy happened; they also explore the consequences and how they could have been avoided.

A 1966 landslide in Wales killed 116 children and 28 adults; a 2019 dam collapse killed 115 people in Brazil.

Experts examine what caused the Zeebrugge ferry tragedy and the Costa Concordia cruise ship disaster; what were the consequences, and how could they have been avoided?

Experts examine how engineering failures allowed Hurricane Katrina to devastate New Orleans and cause the collapse of the Tacoma Narrows Bridge.

A towering inferno that killed 72 residents becomes Britain's deadliest fire; a pedestrian bridge collapses in Florida over eight lanes of traffic, killing six people; how can fatal design flaws happen in such important constructions?

Nothing can stop an earthquake and while the ground may feel solid, below our feet, the earth is shifting constantly, sometimes violently.

The 2011 Fukushima nuclear meltdown hit Japan in the wake of a tsunami, creating a crisis on a par with Chernobyl; just a few months later, a lightning strike affected signaling on a bullet train in China, leading to a catastrophic collision.