Secrets of the London Underground
Railway historian Tim Dunn and Siddy Holloway from the London Transport Museum explore the hidden parts of London’s Tube network. Abandoned tunnels, secret bunkers and hidden staircases are revealed along with fascinating stories of the world’s oldest underground system.
Railway historian Tim Dunn and Siddy Holloway from the London Transport Museum explore the hidden parts of London’s Tube network. Abandoned tunnels, secret bunkers and hidden staircases are revealed along with fascinating stories of the world’s oldest underground system.

Tim Dunn and Siddy Holloway explore the shortest branch line on the London Underground network. Siddy visits the site of...

Tim Dunn and Siddy Holloway visit one of the Underground’s most secret places: North End under Hampstead Heath...

Tim Dunn and Siddy Holloway explore the disused parts of Piccadilly Circus, the Underground's grandest station. Siddy...

Tim Dunn and Siddy Holloway explore the hidden parts of Euston, including unique features not found elsewhere. Siddy...

Tim Dunn and Siddy Holloway have a night-time track walk exploring long-forgotten stations on the District line in...

Tim Dunn and Siddy Holloway explore Clapham South's deep-level shelter, where thousands of Londoners slept during the...

Tim Dunn and Siddy Holloway explore the disused Jubilee line areas of Charing Cross station, now more famous as a film...

Tim Dunn and Siddy Holloway discover the hidden world of the Waterloo & City, the only line entirely underground. Siddy...

Tim Dunn and Siddy Holloway visit King William Street, the earliest disused station on the deep tube. Siddy sees new...

Tim Dunn and Siddy Holloway walk the Piccadilly line at night to explore the hidden Second World War remains of Brompton...

Tim Dunn and Siddy Holloway explore the disused parts of London Bridge. Siddy visits Ongar in Essex and nearby Blake...

Tim Dunn and Siddy Holloway explore King's Cross St. Pancras, including a secret siding and the disused Thameslink...

Tim Dunn and Siddy Holloway explore the brand-new Elizabeth Line - and have access to two of its stations weeks before...

Tim Dunn and Siddy Holloway visit Quainton Road in rural Buckinghamshire, 50 miles from central London - and once on the...

Tim Dunn and Siddy Holloway visit the cathedral-like Greenwich Power Station, which stands ready to power the Tube at...

Tim Dunn and Siddy Holloway explore the Tube station with the most platforms, Baker Street. Siddy visits the disused...

Tim Dunn and Siddy Holloway explore the labyrinthine Camden Town station and the forgotten wartime shelter built beneath...

Tim Dunn and Siddy Holloway explore the disused areas of South Kensington station, visiting platforms reclaimed by...

Tim Dunn and Siddy Holloway explore the disused areas of Green Park and discover their incredible wartime purpose. Also...

Tim Dunn and Siddy Holloway embark on a night-time track walk to the abandoned station of British Museum. Siddy explores...

Tim Dunn and Siddy Holloway visit the 273rd station on the network, one which no passenger will ever visit. Siddy sees...

Tim Dunn and Siddy Holloway head to Leicester Square, the gateway to London’s theatreland, full of design and wartime...

Tim Dunn and Siddy Holloway are packing their bags to discover the hidden corners of Heathrow's Underground. Siddy...

Tim Dunn and Siddy Holloway discover the hidden corners of Shepherd’s Bush and hit the end of the line at Elephant and...

Tim Dunn and Siddy Holloway explore the sprawling TFL maintenance facility - Acton Works. Staying in Acton, Siddy...

Tim Dunn and Siddy Holloway have access to the secret spaces of Archway, from cavernous lift shafts to sealed-off...