A city with hundreds of leaning buildings, the world's scariest airport and the world's biggest sewage pipe harbor engineering disasters in need of repair; experts use cutting-edge technology to reveal if they can be fixed.

When an oil rig in Louisiana drills into something unexpected, a cataclysmic event is unleashed, causing a lake to suddenly disappear; experts use the latest science to investigate what went wrong and how it can be fixed.

A disastrous crane collapse falls across a landmark bridge in New York.

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

Montreal's Olympic Stadium was an ambitious engineering project with a striking Space Age design, but it's distinctive roof has caused over one billion dollars in cost overruns; experts reveal what went wrong and how cutting-edge science can fix it.

Boston's Big Dig was one of the most ambitious engineering projects in history, but in 2006, a fatal collapse in one of its tunnels put the ambitious project in doubt; experts reveal what caused this engineering disaster and how it was fixed.

A skyscraper causing hellish heat in downtown Dallas, a swarm of sinkholes, and a landmark with a fatal secret are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

The Deepwater Horizon oil rig drilled into the deepest oil reserves on the planet, but a sudden explosion on-board led to the worst oil spill in history; experts reveal what went wrong and how cutting-edge science finally fixed this catastrophe.

When a brand-new bridge suddenly collapses in Miami, several die in a horrifying calamity; experts use the latest science to investigate what went wrong and how an innovative bridge-building technique could be to blame.

A skyscraper so dangerous that it can melt cars, a bridge fiasco, and a stadium roof on the brink of disaster are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.

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

A railroad bridge on the edge of disaster, a nightmare in a fairy-tale town, and a massive cathedral in calamity are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.

A fire in an American town that has been burning since 1962; a massive flood threatens Chicago's iconic skyscrapers; a town swallowed by the sea; experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

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

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

Experts investigate a major highway crossing collapse in Huron, California.

A railroad inferno takes down a historic river crossing in Arizona.

A stadium on the brink of collapse, an upside-down bridge, and a massive subway project in crisis are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.

A casino parking garage collapses with fatal consequences in Atlantic City.

After a giant suspension bridge begins to violently rock, it suddenly collapses, marking one of the most iconic engineering disasters of all time; using the latest science, experts reveal what went so catastrophically wrong at the Tacoma Narrows bridge.

A freeway intersection erupts in flames and collapses in San Francisco.

Experts investigate a deadly oil port explosion in Corpus Christi, Texas.

Experts investigate a deadly tragedy in an Oklahoma bridge collapse.

A detonated building mysteriously refuses to fall, an American ghost town with a deadly legacy, and wind turbines on the brink of disaster are engineering disasters in need of repair, and experts reveal what went wrong and if they can be fixed.

Experts investigate a deadly explosion at a fertilizer plant in Texas.

A catastrophic fire threatens city-wide devastation in North Carolina.

Experts investigate an iconic Bay Area bridge devastated by an earthquake.

Experts investigate a condominium tower that collapses in Miami, Florida.

A disastrous crane collapse causes chaos on the streets of Manhattan.

Experts investigate a vital bridge in danger of collapse in Memphis. https://www.youtube.com/watch?v=Id5E8eZg7nI

When America's tallest dam threatens to burst, a nearby town finds itself an hour away from total annihilation, and engineers use cutting-edge technology to reveal what went wrong and if disaster can be averted.

When demolitions don't go as planned, engineers race for cutting-edge solutions to bring down buildings that refuse to fall. At the world-renowned Pontiac Silverdome in Michigan, experts try to succeed when the world's most powerful explosives fail.

A New York City skyscraper that could topple at any moment; a city street that suddenly collapses; a modern-day crisis at Pisa's Leaning Tower; experts use cutting-edge technology to reveal if they can be fixed.

When the innovative design of an iconic Chicago skyscraper leads to tragedy, experts must apply cutting-edge tech and the latest engineering methods to fix an urgent, life-or-death problem.

A skyscraper rained deadly bolts on the streets below, a highway on the brink of collapse, and a catastrophic landslide are engineering crises in need of repair. Experts use the latest science to reveal what went wrong and if disaster can be averted.

When catastrophe strikes Skylab, life on earth is threatened by a space station cratering toward earth, and NASA experts use cutting-edge technology to reveal what went wrong and if disaster can be averted.

When demolitions don't go as planned, engineers race for cutting-edge solutions to bring down the buildings that refuse to fall, and at work sites in Las Vegas & Russia, experts see if they can succeed where the world's most powerful explosives fail.

When a dam breaks during routine maintenance, engineers fear a catastrophic flood; experts use the latest science to investigate what went wrong and how a simple miscalculation could be to blame.

Tragedy strikes when a condominium complex collapses in Miami.

The construction of a new parking garage at a luxury waterside condo turns disastrous as it collapses in Jacksonville, experts use the latest tech to investigate and uncover critical design flaws and unsupported lower levels.

A distinguished library is ravaged by not one but two disastrous fires.

Twenty people are killed after a hotel explodes in America's heartland.