Surely you've seen Hieronymus Bosch's The Garden of Earthly Delights, the famous triptych oil painting from the late 15th century.

But do you know the meaning behind all Bosch's fantastic and gruesome figures in the painting?

Put on your headphones and head on over to this online interactive documentary. Either join the audiovisual tour of The Garden of Earthly Delights, as narrated by Redmond O'Hanlon, or freely explore and click the various icons to read and hear the story behind a particular part of the painting.