Mystery Mission - English Heritage: Belsay Castle, Hall and Gardens

A top-secret message has gone missing at Belsay Hall, Castle and Gardens – and we need you to find it before it falls into the wrong hands!

Your mission, if you choose to accept it, is to follow the trail, track down the clues and crack the codes to uncover the secret message.

Keep your eyes peeled for the mysterious secret agent, who'll be roaming around the site. If you’re lucky, they might just be able to help you complete your mission...