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.