Michael's journey along the coast of Northumberland continues towards the Farne Islands, takes in the holy island of Lindisfarne, and finishes in England's northernmost town, Berwick-upon-Tweed.

From the 250-year-old 'new town' of Helensburgh on the north bank of the Clyde, Michael Portillo takes his favourite West Highland Line across to the waters of Loch Etive.