01. Episode 1
What caused a Baltimore street to collapse onto a railroad? How did engineers fix London’s wobbly Millennium Footbridge? Experts and witnesses analyse what happened.
02. Episode 2
In San Francisco, California, residents in a luxury apartment block noticed their floor wasn't flat. Experts and witnesses analyse what happened to the building.
03. Episode 3
Once considered the eighth Wonder of the World, the Kinzua Bridge was the longest railway bridge in the world. But, a freak tornado destroyed it - why did it fall?
04. Episode 4
What epic engineering error caused flooding in Chicago? Plus, on the east coast of the UK, residents seek a solution for their houses that are falling onto the beach.
05. Episode 5
What architectural error ruined a Paris landmark? Plus, in Dallas, Texas, soaring temperatures and sunrays blaze and reflect into high-rise apartment building.
06. Episode 6
What Scottish landmark has a limited timespan with risky consequences? Also, in Liverpool on New Year's Eve a huge fire broke out in a carpark - what happened?
07. Episode 7
In Maryland, an aging and crumbling sewage system wreaks havoc in Baltimore. Experts and witnesses analyse what caused the major environmental and health problem.
08. Episode 8
A skyscraper in London risks killing pedestrians when large and heavy bolts from the support structure begin falling to the road below. And, why did a highway in Germany collapse?
09. Episode 9
America's first space station threatens to fall to earth. And, a miscalculation means strong winds could cause a New York skyscraper to topple over. What happened?
10. Episode 10
Why did an apartment block in Liverpool resist demolition? And, how did an engineering mix-up in Bristol derail a new bus route? Experts examine what happened.