Dragons are among the most popular and enduring of the world's mythological creatures. Dragon tales are known in many cultures, from the Americas to Europe, and from India to China.
They have a long and rich history in many forms and continue to populate our books, films and television shows.
It's not clear when or where stories of dragons first emerged, but the huge, flying serpents were described at least as early as the age of the ancient Greeks and Sumerians. For much of history dragons were thought of as being like any other mythical animal: sometimes useful and protective, other times harmful and dangerous