The Garden of Earthly Delights by Hieronymus Bosch

Fantasy art from the first surrealist tells the story of heaven and hell

At the time it was painted, circa 1500, this would have been a stunningly original and modern work. This folding triptych is believed to have been commissioned for the altar of a private chapel in one of the grand houses of Brussels, and it is now restored to its ‘original glory’ and displayed in the Prado, Madrid, where I stood before it on a recent visit.