Comedian Bill Bailey returns to his West Country roots for a walk on Exmoor with his dog Louie. Newsnight presenter Kirsty Wark swaps the intrigue of Westminster for the tranquillity of the Isle of Arran and a deserted sandy beach. And Julian Clary and his Jack Russell visit the beautiful South Downs, Britain's newest national park. They also visit an old queen's house in Lewes.

• Ben Fogle
• Dom Joly
• Katy Brand