Look back at the Tenerife, Kegworth, and Paris Concorde air disasters. Investigate the design defects that made these aircraft vulnerable, look at the role air traffic miscommunications played, and relive the terrible moments before disaster struck.

Bridge collapses have etched hard lessons into the history of engineering; Tacoma, Minneapolis, Genoa, symbols of innovation that have become stark reminders of what happens when flaws go unchecked.

When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies.

Drill down on maintenance and safety lapses that derailed amusement park rides.

Pinpoint the mistakes that caused major structural failures. Explore the preventable explosion inside London's Ronan Point, the code violations that collapsed Lalita Park, and the short circuit that set off a deadly fire in Tehran's Plasco Building.