Massive engineering mistakes occur all over the world, some with devastating consequences. These are assessed by design teams, eyewitnesses, and experts who analyze what went wrong and how the engineers fixed the mistakes.
Catastrophe strikes in the heart of Minnesota. In Denmark, a railway tragedy exposes a security breach that affects the whole of Europe.
In Kentucky, Corvettes fall into a pit. In Australia, a disaster occurs during the construction of a huge bridge. What caused these catastrophes?