Inside Britain's National Parks, Series 1 Episode 3, Dartmoor

Steeped in myth and untamed beauty, Dartmoor National Park's vast moorlands, characterised by open heathland, grassy hills and striking granite tors, provide a a sanctuary for rare plant and animal species as well as a treasure trove for archaeologists. Rivers meandering through the moors are home to salmon, otters and kingfishers, and peatlands host rare plants like the carnivorous sundew.