In Minneapolis, a major freeway bridge suddenly collapses in the middle of rush hour.
A massive sinkhole swallows millions of dollars of legendary automobiles at the National Corvette Museum in Kentucky; expert geologists investigate and reveal how an enormous cave system could remain undetected and poised for catastrophic destruction.
A devastating rail disaster outside a small North Dakota town results in cargo erupting in massive explosions; experts use the latest science to investigate and uncover an engineering flaw poised for catastrophic failure.
A series of violent explosions rips through a major Texas oil refinery, causing a fatal disaster and devastation on a terrifying scale; experts use the latest science to investigate and uncover what triggered a catastrophic malfunction.
Tragedy strikes a bustling Canadian shopping mall when a parking garage suddenly collapses resulting in a fatal disaster; expert engineers use the latest technology to investigate and uncover a deadly design flaw that could have been prevented.
Construction turns catastrophic in New Orleans when the side of a hotel complex collapses on a busy street below; expert engineers investigate to uncover the reason behind this sudden and fatal disaster.
A deadly tragedy on a freeway in Oklahoma sends one of the state's busiest bridges collapsing into the Arkansas river below; expert engineers investigate how a tugboat striking a reinforced concrete pier could cause such a catastrophic disaster.
When an indoor hotel walkway collapses in Kansas City, Mo., it becomes the most deadly engineering disaster in U.S. history; experts investigate and uncover evidence of a catastrophic design change in the support system construction.
A shipping catastrophe occurs when a massive container vessel runs aground and completely blocks one of the most vital trade routes on the planet; experts investigate and uncover critical wind conditions and potential navigational errors.
A routine detonation turns into a demolition disaster as a building refuses to collapse in Dallas; experts investigate and reveal the structure's concrete core was designed to withstand hurricane force winds.
Catastrophe strikes as one of America's most vital freeway intersections erupts in flames and completely collapses in San Francisco. Experts use the latest science to investigate how an overturned tanker truck spawned a devastating inferno.
A devastating railroad inferno takes down a vital route on a river crossing in Arizona; using the latest cutting-edge tech, experts investigate the remaining incinerated evidence to determine what caused such a disastrous derailment.
Tragedy in Cincinnati as a sudden bridge collapse leaves one of America's busiest highways at a complete standstill; using the latest science, expert engineers investigate and reveal how a routine demolition could go so disastrously wrong.
A flash flood brings one of America's most vital highways to a complete standstill in the California desert; using the latest science, expert engineers investigate and discover how bridge foundations were missing a crucial element.
A catastrophic construction disaster causes a casino parking garage to collapse with fatal consequences in Atlantic City; using the latest science, experts uncover evidence of missing reinforcements vital for structure stability.
A disastrous crane collapse falls across a landmark bridge in New York.
An unprecedented cycle of freezing and thawing causes dramatic destruction to a landmark bridge in Pennsylvania; experts investigate and reveal how a sudden surge of icy flood water buckled pier foundations weakened from years of erosion.
A tragic bridge collapse takes down a symbolic crossing and becomes one of Italy's deadliest engineering disasters; experts investigate and uncover years of slow deterioration to the structure's heavily corroded concrete encased cables.
Disaster strikes a new railway bridge as a crane collapses in the middle of major construction in Italy, and one side of an unfinished 16-story apartment building in Boston collapses, killing four construction workers.
Tragedy strikes a beach-side community when a condominium complex collapses in Miami, resulting in one of the deadliest engineering disasters in American history; experts reveal potential flaws in the structure's flat slab construction.
A deadly explosion strikes at the heart of the small Texas town of West and leaves the community in ruins; experts use the latest science to investigate and uncover a nearby fertilizer plant containing volatile chemicals.
Catastrophe struck Miami, Fla., as the Marlborough House, a 13-story condo tower built in 1961, collapsed with deadly debris in 2018; experts investigate and uncover an uncontrolled method of demolition that led to catastrophic failure.
The construction of a new parking garage in 2007 at a luxury waterside condo turns disastrous as it collapses in Jacksonville, Fla.; experts use the latest tech to investigate and uncover critical design flaws and unsupported lower levels.
A vital Mississippi River interstate crossing is discovered to be in danger of imminent collapse in Memphis; experts investigate and uncover severely compromised load-bearing tension members with a catastrophic weakness.
A deadly explosion strikes a major crude oil port creating an inferno of epic proportions in Corpus Christi, Texas; experts use the latest science to investigate and uncover a failed dredging operation that ruptured a propane pipeline.
New York residents get a rude awakening when a disastrous crane collapse causes chaos on the streets of Manhattan; experts use the latest tech to investigate and reveal how a slight increase in wind conditions created a major catastrophe.
A catastrophic fire at a fertilizer plant threatens city-wide devastation in Winston-Salem, North Carolina; experts use the latest science to investigate an outdated, wooden storage facility stocked with volatile, explosive chemicals.
Tragedy strikes the heart of a city as an earthquake wipes out a building full of people in Christchurch, New Zealand; experts investigate an inadequate structural design and weakness in critical supporting columns.
A perfect storm with tragic consequences strikes as flood waters rip away a major highway crossing in California; experts use the latest tech to investigate and reveal bridge scouring with unsupported concrete columns exposed for failure.
A devastating earthquake wreaks havoc on an iconic San Francisco bridge and leaves drivers fearing for their lives; experts use the latest science to investigate and uncover a weakened expansion joint caused by catastrophic shockwaves.