A Secret Tunnel at the Palace of Westminster

From Tatler:

A secret doorway built during the reign of Charles II has just been uncovered by architects during the restoration of the Houses of Parliament. The previously unknown passage was reportedly built for the procession to the King's coronation banquet in the 17th century and was used afterward to access parliament by political luminaries including Robert Walpole and William Pitt, before being bricked up and later covered by wood paneling. During the ongoing restoration work of the Houses of Parliament, the passage was rediscovered, as was some 169-year-old graffiti left by stonemasons and bricklayers with a rather humorous memento. The message, written in pencil reads, ‘This room was enclosed by Tom Porter who was very fond of Ould Ale.’ (Read more.)