Travel to one of the oldest platforms on the system and meet a very famous American who revolutionised the building process. Geek out a little bit and talk about construction, find out how the underground system is constructed today. See a haunted station, and discover how accurate the tube map really is.
This is a great London private tour for all enthusiasts of big engineering, trains, and history. Guided by a local with 20 years of in-depth knowledge, you are sure to come away fascinated by this feat of engineering.