A bridge meant to stand for decades collapsed after only four months in service. In this video, we break down what went wrong, from design flaws to construction shortcuts, and why the failure shocked ...

How did Europe’s tallest dam become one of history’s worst engineering disasters? This documentary investigates the Vajont Dam tragedy of 1963, where a landslide created a wave that killed nearly ...

The first days of Katrina -- A mighty storm hits the shore -- The setting -- Slicing through the swamps -- The growth machine comes to New Orleans -- A "helpful explosion" -- The collapse of ...