National Rail Enquiries - 2 FOR 1 Offers in London

2 for 1 sightseeing offer with Travelcards / trains Tower of London, Madame Tussauds, St Pauls Cathedral at half price admission The railways 2 for1 admission voucher promotion to many of Londons top attractions is a little publicised scheme that has to be one of the biggest bargains available for visitors to London (and beyond).