Hadrian's Wall, UNESCO World Heritage Site, on top of Steel Crags in Northumberland National Park, Northumberland, England, United Kingdom, Europe

The width of the wall clearly seen looking west at Cawfields, Hadrians Wall, UNESCO World Heritage Site, Northumberland National Park, Northumbria, England, United Kingdom, Europe

Looking north from Milecastle 37 to Broomlee Lough, Hadrians Wall, UNESCO World Heritage Site, Northumbria National Park, Northumberland, England, United Kingdom, Europe

A pathway along the top of an overgrown section of Hadrians Wall through Housesteads Wood, UNESCO World Heritage Site, Northumberland National Park, England, United Kingdom, Europe

View east from Milecastle 37 approaching Housesteads Wood, Hadrians Wall, UNESCO World Heritage Site. Northumberland National Park, England, United Kingdom, Europe

Westward to Crag Lough and Windshields Crag, Hadrians Wall, UNESCO World Heritage Site, Northumbria National Park, Northumberland, England, United Kingdom, Europe

Milecastle 37 looking west, Hadrians Wall, UNESCO World Heritage Site, Northumbria National Park, Northumberland, England, United Kingdom, Europe

Towards sunset, view east along Hadrians Wall from Windshields Crag to Crag Lough and Hotbank Farm, UNESCO World Heritage Site, Northumberland National Park, Northumbria, England, United Kingdom, Europe

Eastwards from Hotbank Crags, Hadrians Wall, UNESCO World Heritage Site, Northumbria National Park, Northumberland, England, United Kingdom, Europe

Northumberland National Park near Otterburn, Northumberland, England, United Kingdom, Europe

Adder (Vipera berus) in closeup, before shedding skin, Northumberland National Park, England, United Kingdom, Europe

Hadrian's Wall, UNESCO World Heritage Site, runs across Walltown Crags, through the landscape of Northumberland National Park, Northumberland, England, United Kingdom, Europe

Orb web spider's web (family Araneidae), Sidwood, Kielder Forest, Northumberland National Park, England, United Kingdom, Europe

Fieldfare (Turdus pilaris), Northumberland National Park, England, United Kingdom, Europe

Poppy field in Northumberland National Park, near Hexham, Northumberland, England, United Kingdom, Europe

Hay bale landscape in Northumberland National Park, near Hexham, Northumberland, England, United Kingdom, Europe

Housesteads Roman Fort, Vercovicium, AD 124, Granary showing provision for underfloor heating, Hadrians Wall, UNESCO World Heritage Site, Northumbria National Park, Northumberland, England, United Kingdom, Europe

Curlew (Numenius arquata), Northumberland National Park, England, United Kingdom, Europe

Hay bale landscape, Northumberland National Park, near Hexham, Northumberland, England, United Kingdom, Europe

Farm house in Northumberland National Park, near Hexham, Northumberland, England, United Kingdom, Europe

Robin (Erithacus rubecula), Northumberland National Park, England, United Kingdom, Europe

Peregrine chicks (Falco peregrinus), after being ringed, Northumberland National Park, England, United Kingdom, Europe

Nuthatch (Sitta europaea), Northumberland National Park, England, United Kingdom, Europe

Poppy field in Northumberland National Park, near Hexham, Northumberland, England, United Kingdom, Europe

Northumberland National Park, near Haydon, Northumberland, England, United Kingdom, Europe

Northumberland National Park, near Hexham, Northumberland, England, United Kingdom, Europe

Architectural detail of a culvert exit approximately 30 cm high, under the wall of the AD 130 Cilurnum - Chesters Roman Fort, Chollerford, Northumbria National Park, England, United Kingdom, Europe

Cawfield Farm from Thorney Doors Cawfields Crags looking west, Walltown Crags on the horizon, Hadrians Wall, UNESCO World Heritage Site, Northumbrian National Park, Northumbria, England, United Kingdom, Europe