become part of london's gruesome history & travel back in time to an age of adventure & uncover the dark secrets that lie beneath the world's most famous & most haunted bridge. laugh, scream & cheer your way through 2000 years of horrible history! the london bridge experience really is a fully integrated character led journey through history. learn about the great fire of london, jack the ripper & explore the streets of victorian southwark. once you have finished with the bridge, it's time to face your fears! whether it's clowns that make your blood run cold or confined spaces that make your hairs stand on end, the london tombs is sure to leave your throat sore from screaming! formerly a plague pit, the london tombs will excite you, scare you, make your pulse race & your throat sore from screaming. basically, it's halloween every day of the year!voucher holders turn up on the day with their voucher. there is no need to book in advance so please check the attraction's website for admission times.