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 historic river crossing in Arizona; using the latest cutting-edge tech, experts investigate the remaining incinerated evidence to determine what caused such a disastrous derailment.
A flash flood catastrophe brings one of America's most vital highways to a complete standstill in the California desert; using scientific methods, expert engineers investigate and discover how its bridge foundations lacked a crucial element.
Atlantic City Casino Collapse: A catastrophic construction disaster causes a casino parking garage to collapse with fatal consequences in Atlantic City; experts investigate and uncover evidence of missing reinforcements vital for structural stability using the latest science.
A crane disastrously falls across two lanes of traffic during construction work on a landmark bridge in New York City.
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 floodwater buckled pier foundations weakened from years of erosion.
The Genoa 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.
Tragedy strikes in San Juan when an explosion rocks a busy shopping center.
This episode is a mashup of S01E05, "Disaster in Vegas" and S01E06, "Holes from Hell".
This episode is a mashup of S01E01, "Stadium Disaster" and S01E03, "Leaning Towers of Terror".
This episode is a mashup of S01E02, "Peril at the Airport" and S01E04, "Death Ray Skyscraper".
This episode is a mashup of S02E02, "Skyscraper vs. Sinkhole" and S02E05, "Terror at Doomsday Dam".