Clare Balding's journey begins on the country's longest river - the magnificent Severn - where she takes to the water by narrowboat, meets wildlife along its banks and samples delicacies.

Clare Balding takes on the wonderful River Dart on a journey of royal romance, picturesque villages, and prehistoric landscapes - including a visit to Agatha Christie's holiday home.

Clare Balding heads to the waterways of the River Thames, which stretches over 200 miles from Gloucestershire to Essex. She explores the freshwater Thames, from its humble beginning and on as it meanders through beautiful countryside teeming with wildlife, grand estates and inspiring landscapes. Clare also discovers the 'dreaming spires' of Oxford, and landscapes that inspired Kenneth Grahame's Wind in the Willows.