Massive Engineering Mistakes

In 1973, the Aon Center became the tallest marble-clad building in the world. Years later, Chicago's extreme weather would turn its beautiful exterior into a death-trap.

In 2015, workers began to renovate the Queen Juliana Bridge in the Netherlands. But the decision to use two cranes would have devastating consequences.

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In Florida, homes are swallowed whole as a giant sinkhole opens up. And in the Netherlands, why did a brand-new airport parking garage suddenly collapse?

An epic crane catastrophe wrecks a Milwaukee ballpark. A bridge in Washington State sinks like a ship, and a stadium roof collapses in Connecticut.

A bridge in Washington State plummets into a river. In the north of England, a television tower collapses. And, a building full of priceless relicts is completely destroyed.

A Chicago skyscraper hides a deadly flaw. A fuel storage depot goes up in a fiery inferno, and a championship stadium suffers a devastating collapse.

In Boston, MA, a deadly flaw brings traffic to a screeching halt. A river crossing collapses in Wales, and a dam collapse in Spain changes the course of history for one town.

Catastrophe strikes a major interstate in Connecticut. In Montreal an Olympic stadium turns into an epic disaster, and a huge levee fail floods a town in the Netherlands.

A revolutionary floating bridge in Washington sinks into the bottom of a lake. And, an engineering disaster in the Gulf of Mexico causes a global crisis.

In Montreal, a vital highway crossing collapses, with tragic consequences. And, an engineering catastrophe hits a legendary space mission more than 300,000km from earth.