Secrets of the London Underground

Produced by Brown Bob Productions for the Yesterday channel. Past Preservers provided expert, Dr Kathryn Ferry.

Join Siddy Holloway, co-developer of our Hidden London tours, and presenter Tim Dunn as they explore the network in the series Secrets of the London Underground. Join the pair as they explore abandoned tunnels, secret bunkers and hidden staircases that have been concealed from public view for years – featuring findings from our archives, glimpses into some of our Hidden London sites, exploring the deepest point of the London Underground.