
The investigation of some of the most notorious and mysterious events, in an attempt to unravel all the possible reasons for the disasters.

A giant explosion in Siberia flattens millions of trees; a flood comes out of nowhere to destroy an English town; defeat is snatched from the jaws of victory at Gettysburg, Pa.; poor leadership? Or a quirk of nature?

Chase down clues after a routine sightseeing flight over Antarctica crashes, then ponder what unleashed a giant wave that annihilated a Canadian village; find out if predators or planetary patterns wiped out 10 billion snow crabs in the Bering Sea.

A thousand-year-old Italian tower is brought to the brink of collapse; a Viking stronghold in Greenland, inexplicably abandoned; the ghost WWII bomber that vanishes on its return to base.

A daredevil aviator vanishes into thin air on a routine flight; A mystery blast rocks a remote island; Napoleon Bonaparte suffers a shock defeat.