American art historian Claudia Swan travels from Krakow to Leiden on a mission to discover the secret of 1800 priceless paintings hidden deep inside a Polish Library.

But a quest to understand Renaissance art soon takes her into a labyrinth of nature, medicine and voyages of exploration, encountering a web of ideas that fundamentally changed Europe's view of science and the world.

Follow her journey with us to unpick the mysteries of the Winter Garden.