

A container ship strikes the Francis Scott Key Bridge in Baltimore, causing its catastrophic collapse and completely paralyzing the city's vital port.

Earthquake-proof buildings fall down in Turkey. Two gantry cranes bump into each other. A battery factory blows up, and a bridge collapses in Dresden.

A Philadelphia overpass catches fire; a radio telescope plummets, plus a sinking airport and Nigeria's collapse crisis.

Was the space shuttle Columbia an accident ready to happen? A Chinese bridge takes a deadly hit. A terrible mistake leads to a deadly stage collapse.