Julie takes off on Scotland's West Highland Railway, with the train from Harry Potter, wartime spies, and cattle wrangling on Skye.

Julie heads from Newcastle to Edinburgh, via the beautiful coastal town of Alnmouth and a date with a lobster breeder and the biggest gannet colony on Earth.

Julie heads for Cornwall, where she learns about smugglers and joins the RNLI on a practise run off St Ives. She also visits Paignton, Kingswear Polperro, and eats some fancy cake.

Julie travels from Cardigan Bay to Liverpool via Tywyn, the inspiration behind Thomas the Tank Engine. There's also a trip through Snowdonia, and the fastest zip wire in Europe.