The Beatles left Liverpool in 1962 to conquer the world, but it never left them. Craig Charles heads home to Liverpool to find out what they took with them and the legacy that they left behind. Every day, tourists visit Lennon and McCartney's childhood homes, restored to their former glory by English Heritage. From Albert Dock to Mathew Street, Beatle memorials are ever-present. The Beatles connection is worth an estimated £20 million a year to the local economy.