Season 4

A design flaw leaves 13 dead in a horrifying Minneapolis bridge collapse.

A massive sinkhole swallows millions of dollars of legendary Corvettes.

Experts investigate the engineering flaw behind a railway disaster.

Experts uncover what triggered a fatal malfunction at a Texas oil refinery.

Engineers investigate a deadly design flaw at a Canadian shopping mall.

Experts investigate the collapse of a New Orleans hotel construction site.

Experts investigate a deadly tragedy in an Oklahoma bridge collapse.

Experts investigate a deadly hotel walkway collapse in Kansas City.

A container vessel runs aground blocking a critical global trade route.

A vital Pennsylvania highway is destroyed after a catastrophic landslide.