When Big Things Go Wrong

In the heart of Minneapolis, the busy I-35 bridge collapses at the peak of rush hour traffic.

A state-of-the-art high-speed train catastrophically crashes in Spain. In service less than a year, its derailment shocks the world.

A Boeing 777 crash lands into the San Francisco Airport with no warning, leaving everyone baffled.

Italy suffers one of the worst engineering disasters when the Morandi bridge suddenly collapses. Built in the 60s, it was thought to be indestructible, so what went wrong?

37,000-feet over Iowa, a DC-10 airplane explodes mid-flight. The quick-thinking pilot crash-lands, saving the lives of 184 passengers. But how could this disaster happen?

In busy downtown New Orleans a high-rise hotel under construction unexpectedly comes crashing to the ground. As the dust settles, the question on everyone's lips: why?