Secrets of the London Underground
Siddy and Tim are returning for a THIRD series to discover more hidden tunnels, secret bunkers and abandoned areas of the London Underground.
Learn the secrets of the London Underground
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 and even a lost station from 1906.
Watch series 1 and 2 on demand on UKTV Play! Series 3 is out now.
Keen to follow Tim and Siddy’s footsteps? Embark on one of our Hidden London tours to explore secret parts of the underground for yourself.
Sign up to our enewsletter for more fun facts, behind-the-scenes snippets and even early access to book Hidden London tour tickets.
The series
See more details from each episode in the series and explore the stories and stations highlighted on screen even further with our collection.
How well do you know London, its secrets and hidden stories? Test your knowledge with our Secrets of the London Underground inspired games and quizzes
Find out more about the presenters of Secrets of the London Underground: broadcaster, geographer and historian Tim Dunn and the Museum's own Hidden London trailblazer, Siddy Holloway.
As Season 2 of Secrets of the London Underground is released, we sit down with presenters Siddy Holloway and Tim Dunn to find out more about the challenges and wonders of filming this documentary series.
Join the conversation
Join the conversation using hashtag #SecretsOfTheLondonUnderground on social media
Yesterday
Hidden London
Secrets of the London Underground is inspired by our Hidden London programme, which explores ‘forgotten’ parts of the Tube network and goes behind the scenes at some of London’s busiest stations through exclusive tours.
Discover hidden secrets and stations for yourself by booking a place on a Hidden London tour, learn more at the Hidden London exhibition at our Museum, and buy merch in our shop in Covent Garden or online.
Book your tickets to a Hidden London tour
Holborn: The Secret Platforms
Join us to uncover the secrets of Holborn station, a busy interchange at the heart of London with much more to explore than first meets the eye.
Piccadilly Circus Tour & Lunch at the Hard Rock Cafe
Join us for an exclusive tour exploring behind the scenes at Piccadilly Station, followed by a delicious lunch at Piccadilly Circus's famous Hard Rock Cafe.
Baker Street: The World's First Underground
Join a historical journey through the 160 years of Baker Street station, from the early days of Victorian underground steam travel through to today's busy station of 10 platforms and 5 Underground lines.
Piccadilly Circus: The Heart of London
Explore one of the most iconic stations on the Underground and see the marvels of the Grade II listed building in person
Down Street Tour & Cocktail Experience
Experience the Railway Executive Committee’s bomb-proof headquarters during World War II, and the warren of tunnels where Churchill sheltered - followed by a Churchill-themed cocktail and tasty nibbles at a stylish bar where spies were once rumoured to meet.
Charing Cross Tour & Afternoon Tea
Discover the disused spaces of Charing Cross Underground station, walk under Trafalgar Square and see the London Underground in a different light - then enjoy a quintessentially British afternoon tea with beautiful views of The Strand.
Aldwych: The End of the Line
Aldwych Station is one of London's secret places, a former terminus of the Piccadilly line. This tour explores the ticket hall, the original lifts, abandoned platforms and tunnels.
Down Street: Churchill's secret station
Experience the Railway Executive Committee’s bomb-proof headquarters during World War II, the warren of tunnels where Churchill sheltered.
Clapham South: Subterranean Shelter
Journey 11 stories underground to explore Clapham South deep-level shelter, where over a mile of subterranean passageways reveal the extraordinary stories of those who have sheltered here since 1944.
Euston: The Lost Tunnels
Explore tunnels lined with vintage 1960s advertising posters that lie below Euston Station, the busy travel hub that serves over 42 million passengers each year.
Charing Cross: Access All Areas
Discover the disused spaces of Charing Cross Underground station, walk under Trafalgar Square and see the London Underground in a different light.
Secrets of Central London walking tour
Join our Secrets of Central London walking tour to uncover the untold secrets of Covent Garden and its surrounding area.
Discover Hidden London
Explore ‘forgotten’ parts of the Tube network on atmospheric tours of disused stations and tunnels, go behind the scenes at some of London’s busiest stations, and uncover some of the City's fascinating history with our expert guides.
Visitors could explore an 'abandoned' Tube station underworld and discover what secrets lurk beneath our busy streets in our 5-star Hidden London exhibition.
Explore our free Hidden London Hangouts series on YouTube and join as a member to enjoy exclusive access to our Hidden London Hangouts team.
Sign up to our Hidden London enewsletter
Shop Hidden London
Own a piece of London Transport history with our range of Hidden London inspired homeware, our Underground inspired gifts and accessories, or even a REAL piece of original railwayana!
Tube Train Socks
£12.00
TfL Sock Set Collection
£60.00
Route Master Bus Socks
£12.00
District Line Moquette Socks
£10.00
Barman Moquette Socks
£10.00
Socks In A Box Bus Moquette 6-11
£31.50 £45.00
History of the Roundel Mug
£12.00
History of Roundel T-shirt
£20.00
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