When a speeding train derails on its inaugural run, passengers are thrust into chaos and forced to find the will to survive amid one of the most shocking rail disasters in recent memory.

In the dark of night, Montecito, California, residents must outrun a deadly wall of mud triggered by torrential rains after a major wildfire, as homes vanish and lives hang in the balance.

A brutal winter freeze turns a Texas highway into a deadly trap, where drivers and first responders fight to survive a massive, fast-moving pileup.

When unprecedented floods rip through eastern Kentucky, families are forced to cling to rooftops and trees in a frantic effort to escape the raging waters.

As Superstorm Sandy crashes into the East Coast, a city braces for chaos and ordinary people find extraordinary courage as they face unprecedented threats from wind, fire and flood.

A luxury cruise turns into a nightmare as passengers scramble to escape a sinking ship in one of the most shocking maritime disasters of the 21st century.