While beautiful, the Portuguese man of war packs a powerful venom that could give you severe muscle pain, make you vomit, or even kill you.

Keikaimalu, the world's first known surviving wolphin, was born to a male false killer whale and a female bottlenose dolphin.

Shah Jahan was a fearsome leader, but his obsession with opulence ultimately brought him down – as did his own sons.

Mitchell Quy watched while the police looked for his missing wife and even joined the search himself. No one ever expected he was the one who had killed her.

Now, if you ever want to tell someone to "go to Hell," you finally know where to send them.

Galvarino was heralded as a fearsome warrior, though it probably had something to do with the sharpened knives secured to the ends of his arms where his hands used to be.

Steve Fossett was an adventurer who was the first person to fly solo around the world in a hot air balloon. His life and adventures came to a sudden end in 2007.

In 1944, the Allies seemed to have the upper hand in the war — until they attempted to take three cities at once from the Germans in Operation Market Garden.

At its peak, the Aral Sea's fishing industry employed 40,000 people. Those jobs vanished when the sea itself did.

Stolen at just three days old, Zephany Nurse had been missing for 17 years.