In the first episode, Caroline Quentin visits Cornwall, following the Helford estuary, including Frenchman's Creek. Dom Joly is on Hadrian's Wall with his two black Labradors; and former rugby captain Gareth Thomas explores the Brecon Beacons with his German pointer Boyo, which inevitably includes a steep climb or two.

Angela Griffin is in the Cotswolds, Ben Fogle is in Morecambe Bay and James Martin explores The New Forest.

The Reverend Richard Coles explores Scotland's coast of Galloway. Olympic cyclist Victoria Pendleton heads up the Chilterns. And Selina Scott walks the North York moors.

Actor Emilia Fox explores a wooded valley in Cornwall. Bill Bailey wanders under the big skies on the Norfolk coast. And Katherine Ryan visits Kent's picturesque Hever Castle.

Hermione Norris follows in the footsteps of literary giants in Somerset. Phil Spencer goes exploring in Hampshire. And Ainsley Harriott takes a stroll by the River Dee.