England, North Yorkshire, North York Moors National Park. Beggar's Bridge, a tradtional arched bridgfe designed to carry walkers and horses over the River Esk in Glaisdale.

Scotland, Scottish Highlands, Cairngorms National Park. The Balmoral Bridge, built in 1857 and designed by Isambard Kingdom Brunel.

Scotland, Scottish Highlands, Cairngorms National Park. The Balmoral Bridge, built in 1857 and designed by Isambard Kingdom Brunel.

Scotland, Scottish Highlands, Cairngorms National Park. The Balmoral Bridge, built in 1857 and designed by Isambard Kingdom Brunel.

England, Yorkshire, Yorkshire Dales National Park. Celtic design stone cross in the grounds of Bolton Abbey.

Australia, Tasmania, Cradle Mt – Lake St Clair National Park. Fire restrictions sign at a campsite within the National Park.

NEW ZEALAND, Westland, Westland National Park. Tourists pass numeous safety signs to explore the mouth of the Franz Josef Glacier.

New Zealand, Southland, Fiordland National Park. Sign to indicate the route of the 'Dusky Track' near West Arm Hut.

New Zealand, Southland, Fiordland National Park. Sign to indicate the route of the 'Dusky Track' near West Arm Hut.

Argentina, Salta, Parque Nacional Calilegua. Welcoming sign near a public picnic area in the National Park.

Argentina, Salta, Parque Nacional Calilegua. Hiking route – tropical plant trail sign within the National Park.

Argentina, Patagonia, Los Glaciares National Park. Signs of uplift in the foothills of the Fitz Roy range, by the Poincenot campsite.

Argentina, Patagonia, Los Glaciares National Park. Sign indicating hiking and horse route.

England, Cumbria, Caldbeck. A sign waring of falling rocks in woodland near the village of Caldbeck.

France, Rhône-Alpes, The Ecrins National Park. Female hiker examining a map of the Ecrins National Park near La Grave.

France, Rhône-Alpes, The Ecrins National Park. Female hiker examining a map of the Ecrins National Park near La Grave.

France, Rhône-Alpes, The Ecrins National Park. Ecrins National Park sign within a landscape dominated by mountains near La Grave

France, Rhône-Alpes, The Ecrins National Park. Ecrins National Park sign by a lane running through woodland near La Grave

France, Rhône-Alpes, The Ecrins National Park. Ecrins National Park sign near the village of La Grave

France, Rhône-Alpes, The Ecrins National Park. Ecrins National Park sign near the village of La Grave

England, Cumbria, The Lake District National Park. A sign outside a shop in the village of Chapel Stile.

Wales, Caernarfonshire, Snowdonia National Park. Snowdonia National Park sign on traditional stone wall, located in the town of Betws-y-Coed.

England, North Yorkshire, North York Moors National Park. The Inn Way sign post near Goathland station.

England, North Yorkshire, North York Moors National Park. Grosmont sign within the grounds of Grosmont Station.

England, North Yorkshire, North York Moors National Park. Station shop sign within the grounds of Grosmont Station.

England, Cumbria, Lake District National Park. Public Bridleway and public footpath sign near High Oxen Fell.

England, Cumbria, Lake District National Park. Public Bridleway and public footpath sign near High Oxen Fell.

England, Cumbria, Gawthwaite. Nasturtium and other flowers grow next to Cumbria Way sign and dry stone wall on Lake District National Park Boundary.

England, Cumbria, Gawthwaite. Nasturtium and other flowers grow next to Cumbria Way sign and dry stone wall on Lake District National Park Boundary.

England, Cumbria, Gawthwaite. Nasturtium and other flowers grow next to Cumbria Way sign and dry stone wall on Lake District National Park Boundary.

England, Cumbria, Gawthwaite. Nasturtium and other flowers grow next to Cumbria Way sign and dry stone wall on Lake District National Park Boundary.