For centuries, people believed that monsters and other strange beasts really did exist in distant parts of the world. David Attenborough asks why.

Do sea-serpents exist? What about the mysterious monster of Loch Ness? David takes a new look at the old legends and some true stories of strange sea creatures.

David Attenborough takes a 20th century look at old stories of headless serpents, terrible lizards and the magical properties of dragon's teeth.

Featuring some of the strange stories of winged creatures both real and imaginary, from the poor dodo to the roc bird and the legendary phoenix.

David visits the world’s last wild herd of white cattle and examines the legends about horned beasts of all shapes and sizes, from deer antlers to the famous horn of the unicorn.

From the wild man of the woods, the little people of the trees or the yeti of the Himalayas, legends of half-human creatures have a special place in folklore.