The massive Cyprus Street viaduct collapses trapping dozens of people after a severe earthquake forces the entire city of San Francisco to a standstill.

A catastrophic EF5-rated multiple-vortex tornado strikes Joplin, Missouri late in the afternoon in 2011. As it cuts through the southern part of the city, the nearly mile-wide tornado intensifies in size and strength, destroying more each minute.

The West Warwick, RI, Station nightclub fire - one of the deadliest in US history - kills 100 people and injures 230 when a dangerous pyrotechnics display ignites sound insulation on the walls and ceilings and the blaze spreads with terrifying speed.

As Hurricane Ike built up steam, citizens in Galveston, TX fled its path in droves. But those who stayed behind got hit by a storm more powerful than anyone could have predicted.

A sleepy town nestled in the picturesque French-Canadian landscape is rocked when a 74 car freight train derails in its downtown.