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.

A giant sinkhole, a multi-million dollar road to nowhere, and a wind turbine 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.

A giant tunnel boring machine stuck underground, a village sinking into a mountain, and massive holes that could derail a train are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.

An abandoned Vegas-style getaway with a deadly secret, a ghost town sinking into the earth, and a passenger train on course for disaster are engineering catastrophes in need of repair and experts use cutting-edge technology to reveal what went wrong.

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.

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 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.

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.

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.

New science reveals the inside story of the Apollo 13 disaster, and using the latest evidence, experts reveal what really went wrong and how NASA saved the lives of the three astronauts stranded in space in a life-or-death race against the clock.

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

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

A routine bridge demolition in Cincinnati goes disastrously wrong.

A flash flood leads to a highway bridge collapse in the California desert.

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

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

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

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

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

Experts explore a tragic building collapse in Christchurch, New Zealand.

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

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

Residents along the Pacific Coast Highway are cut off from the outside world after a storm causes a bridge to buckle. Experts reveal how the construction method of the old concrete bridge left it vulnerable to erosion on the steep coastline

An iconic telescope in Puerto Rico suffers a spectacular collapse.

A crane collapse leaves seven dead on a holiday weekend in Manhattan.