Near Churchill, Manitoba, a polar bear mom and her cub stumble across a fish carcass washed up on the shore. After a long migration across the wilderness with very little food, this feels like a feast.

The transition from caterpillar to butterfly is a process that consists of four stages: egg, larva, pupa, and adult. Observe one caterpillar as it developments into a gorgeous winged insect.

Catherine the Great's mechanical dinner table created a luxurious private affair. Guests arrived by invite only and wait staff were kept out of earshot to minimize gossip and scandal.

A lion ventures into an area of the river that's part of a hippo bull's territory. The enraged hippo wastes no time in asserting his dominance.

Wernher Von Braun became interested in space flight from an early age. This passion would lead him to become a key figure in the development of one of the Nazi's most devastating weapon: the V2 rocket.

A 15-foot male hippo carefully negotiates his enormous body down a sheer cliff. It's the shortest and most direct route to the water--and he's not one to back down from a challenge.

While much of the Pagani Huayra's speed comes down to innovative design, one material used in its Formula 1-inspired monocoque is crucial.

Portia spiders, known for their remarkable intelligence, have some of the most astonishing hunting skills in the arthropod community. That community also happens to be their prey.

At Frankfurt Airport, retail sales are analyzed by passengers' nationalities. That's how they know Chinese flyers spend more than five times the average passenger in their stores.

When the Dead Sea copper scroll was unveiled, doubts were quickly raised about its authenticity. For one thing, it was riddled with spelling errors.