Where can you find a fully functioning windmill in the middle of a residential road Or reach the very end of the solar system Where can you walk in the middle of a 15,000-year-old bog or swim in a pool once powered by fruit pastilles Discover Britain's last remaining railway nursery, Bettys' underground Dive Bar, the fastest rocket to ever have flown in Earth's atmosphere, the secret ceremony room of the Freemasons, and even York's most prestigious postbox.Far from the crowds and the usual clichés, York has plenty of undiscovered hidden treasures for people who know how to wander off the beaten track.This is an indispensable guide for those who want to really get to know York ... and especially for those who think they know it already.