When Englishman William Buckland found a large tooth in 1824, scientists began to unravel the mystery a world no one knew existed.

The Tale of a Tooth

Cronkite heads to Montana, Wyoming and Utah, where dinosaur bones were discovered in the 1870s.

Tale of a Bone

A dinosaur egg was found in the Gobi Desert in 1922. More eggs were found later in a nesting site in Montana.

The story of an unusual dinosaur with feathers found in Germany in 1861.

Retraces how the mysteries of dinosaurs were first undiscovered by scientists in the 1800s.