Weatherman Derek Brockway explores the stunning Wye Valley on a walk which takes him from the ancient village of Trellech to the stunning market town of Monmouth. On the way he takes a dip in ‘Britain’s favourite river’, the Wye, and follows in the footsteps of Admiral Nelson. Meanwhile, history hunter Dr Erin Lloyd Jones joins the search for a lost city, and Matthew Bassett forages the woods and hedgerows for some edible delights. Show less