The biggest stacked burger in the world at almost 250 pounds; a plus-sized Sicilian pizza that feeds almost 75 people; a 72-ounce steak that no real cowboy can resist; the seven-pound hot dog that's too big for a bun; a giant cupcake.

They are catastrophic failures with deadly consequences. Caused by a single spark or a massive collapse, these disasters reveal one thing--the danger inherent in our most common industries. From a massive oil spill to refinery blaze to a downed plane, find out what went wrong... and how to prevent the next engineering disaster.