
Walking with Dinosaurs
Scientists study the perfectly preserved remains of an adolescent allosaurus they call "Big Al."

Scientists study the perfectly preserved remains of an adolescent allosaurus they call "Big Al."

Nigel Marven is on the trail of the dinosaur with the biggest claws of all time.

Imaging technology and scientific collaboration depict dinosaurs in the wild.

Our ancient powers have endured for centuries, but destruction is close at hand.

In an unruly world, our ancient powers must lead their people and create ways to govern.

Our ancient powers must use all their strength to defend their people and conquer land.

The ancient powers must get rich by trading their treasures and monetizing their assets.

In an unpredictable world, our ancient powers must lay down their foundations.

In a brutal world where nature is both friend and foe, our ancient powers take shape.

Investigating the Yeti - the world's most famous mystery animal.

The earth split in India 66 million years ago in a disaster that may have caused the end of the dinosaurs.

David Attenborough investigates the discovery of a giant dinosaur find in Argentina.

Unraveling the secrets of the 5,000-year-old corpse found frozen in an Alpine glacier.

According to new evidence, the Woolly Mammoth went on roaming until about the time the Pyramids were built.

Thousands of years ago, tar slicks entombed the most spectacular animals ever to walk the continent.

Mammoths meet danger crossing the Alps, but the biggest dangers are awaiting their return.

Revealing the exotic, oversized creatures that inhabited South America one million years ago.

The beginnings of mankind can be traced back 3.2 million years to Ethiopia.

Going back 25 million years to the time of the indricothere, which was the size of a rhino.

A pregnant basilosaurus is forced to kill the young of a smaller whale.