Meet the silkmakers, some of the most remarkable, yet often overlooked, animal architects in the natural world. Find out how a trapdoor spider builds an amazing hideout, with a hidden door that springs open when prey is near! See how an ogre-faced spider hangs upside down as it builds a sticky silken box as a trap. And find out how a diving spider constructs a two-room silk house underwater and lives there, inside a bubble of air!