Back to the roots of the unicorn, which date back at least as far as 400 BCE, when the Greek historian Ctesias first documented a unicorn-like animal in his writings on the region of India. Ctesias was a physician who served in the court of the Persian king Artaxerxes II. A very reliable source...

We explore the history of mythology, from Norse sagas to Scottish folklore to the ancient legends of the British Isles, is stuffed with creatures that didn't make it into the mainstream