Thought to have been created around 1300 CE, the Hereford Mappa Mundi is the largest surviving complete map of the medieval world. Named for Hereford Cathedral where the map is housed today, the extraordinary document offers insight into the minds of Christian Europeans in the Middle Ages, revealing the extent to which their understanding of the world was shaped by stories from the Bible and the Classics. In this video essay, the US graphic designer and video producer Jeremy Shuback explores the map’s structure and the breadth of its illustrations, detailing how this imaginative piece of medieval cartography binds history, geography, mythology and religion to form an invaluable sketch of the Middle Ages.