Terry Jones' Great Map Mystery is a four-part television documentary series first broadcast on BBC Two Wales in 2008 and presented by ex-Python Terry Jones. As described on the BBC's website, "Terry Jones sets out on a series of journeys through Wales following the world's first road atlas: John Ogilby's Britannia, published in 1675.Episode 1: The Road to AberystwythBBC's episode description: "Terry travels the road from the English border to Aberystwyth and begins to suspect there is more to Ogilby's atlas than meets the eye."