England, Yorkshire, Yorkshire Dales National Park. Last light illuminates traditional dry stone walls and fields near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. Limestone pavement and a single tree at Winskill Stones Nature Reserve in the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. A single tree in the limestone pavement known as Twisleton Scars with Ingleborough in the distance.

England, North Yorkshire, Yorkshire Dales National Park. A single tree in the limestone pavement known as Twisleton Scars with Ingleborough in the distance.

England, North Yorkshire, Yorkshire Dales National Park. Ribblehead Viaduct, a railway viaduct crossing the valley of the River Ribble at Ribblehead.

England, North Yorkshire, Yorkshire Dales National Park. The Dry Valley of the Watlowes, located high above Malham Tarn.

England, North Yorkshire, Yorkshire Dales National Park. Ribblehead Viaduct, a railway viaduct crossing the valley of the River Ribble at Ribblehead.

England, North Yorkshire, Yorkshire Dales National Park. Lone tree and the limestone pavement of Moughton Scars viewed at sunset.

England, North Yorkshire, Yorkshire Dales National Park. Moughton Scars, looking towards the peak of Pen-y-ghent.

England, North Yorkshire, Yorkshire Dales National Park. Moughton Scars, looking towards the peak of Pen-y-ghent.

England, North Yorkshire, Yorkshire Dales National Park. Moughton Scars, looking towards the peak of Pen-y-ghent.

England, North Yorkshire, Yorkshire Dales National Park. Looking towards the peak of Ingleborough and the Moughton Scars, a natural karst landform (limestone pavement) which is common in the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. Looking down on Crummack Dale and it's traditional dry-stone walls from Moughton Scars.

England, North Yorkshire, Yorkshire Dales National Park. Looking towards the peak of Ingleborough and the Moughton Scars, a natural karst landform (limestone pavement) which is common in the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. Traditional Yorkshire stone barn photographed down Littondale in the Yorkshire Dales.

England, Yorkshire, Yorkshire Dales National Park. The Impressive Natural Rock Formations / Geology of the Limestone Features of Malham Cove in the Yorkshire Dales National Park

England, Yorkshire, Yorkshire Dales National Park. The Impressive Natural Rock Formations / Geology of the Limestone Features of Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. The distinctive peak of Pen-y-ghent viewed from farmland near the village of Horton in Ribblesdale.

England, North Yorkshire, Yorkshire Dales National Park. A single tree in the limestone pavement known as Twisleton Scars.

England, North Yorkshire, Twistleton Scar. Limestone pavement and Hawthorn Tree at Twistleton Scar in the Yorkshire Dales National Park.

England, North Yorkshire, Twistleton Scar. Limestone pavement and Hawthorn Tree at Twistleton Scar in the Yorkshire Dales National Park.

England, North Yorkshire, Yorkshire Dales National Park. A single tree in the limestone pavement known as Twisleton Scars with Ingleborough in the distance.

England, North Yorkshire, Yorkshire Dales National Park. Ribblehead Viaduct, a railway viaduct crossing the valley of the River Ribble at Ribblehead.

England, North Yorkshire, Yorkshire Dales National Park. Ribblehead Viaduct, a railway viaduct crossing the valley of the River Ribble at Ribblehead.

Australia, Victoria, The Twelve Apostles. The world famous Twelve Apostles limestone stacks located along the Great Ocean Road in Port Campbell National Park.

Australia, Victoria, The Twelve Apostles. The world famous Twelve Apostles limestone stacks located along the Great Ocean Road in Port Campbell National Park.

Australia, Victoria, The Twelve Apostles. The world famous Twelve Apostles limestone stacks located along the Great Ocean Road in Port Campbell National Park.

Australia, Victoria, The Twelve Apostles. The world famous Twelve Apostles limestone stacks located along the Great Ocean Road in Port Campbell National Park.

New Zealand, Nelson & Marlborough, Golden Bay. Limestone outcrops near the summit of Takaka Hill.

New Zealand, Nelson & Marlborough, Golden Bay. Limestone landscape of the Grove Scenic Reserve near Clifton.

Republic of Ireland, County Clare, The Burren at Black Head. Grike and Clint in the limestone karst-landscape of The Burren near Galway Bay.

Republic of Ireland, County Clare, The Burren at Black Head. Grike and Clint in the limestone karst-landscape of The Burren near Galway Bay.

England, Yorkshire, Yorkshire Dales National Park. Littondale and the small yorkshire village of Halton Gill.

England, North Yorkshire, Yorkshire Dales National Park. Gordale Scar, a limestone ravine near Malham Cove in the Yorkshire Dales National Park

England, Yorkshire, Yorkshire Dales National Park. The impressive natural rock formations / geology of limestone paving above Malham Cove in the Yorkshire Dales National Park, in Yorkshire.

England, Yorkshire, Yorkshire Dales National Park. The impressive natural rock formations / geology of limestone paving above Malham Cove in the Yorkshire Dales National Park, in Yorkshire.

England, Yorkshire, Yorkshire Dales National Park. Storm clouds above a Yorkshire Valley overlooked by Raven Scar and the Ingleborough Mountain.

England, Yorkshire, Yorkshire Dales National Park. Storm clouds above a Yorkshire Valley overlooked by Raven Scar and the Ingleborough Mountain.

England, Yorkshire, Yorkshire Dales National Park. Tree and traditional dry-stoned wall near Winskill Stones in the Yorkshire Dales.

England, Yorkshire, Yorkshire Dales National Park. Tree and traditional dry-stoned wall near Winskill Stones in the Yorkshire Dales.

England, North Yorkshire, Yorkshire Dales National Park. A stone farm building in the Yorkshire Dales National Park near Malham Cove and Gordale Scar.

England, North Yorkshire, Yorkshire Dales National Park. Gordale Scar, a limestone ravine near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. Gordale Scar, a limestone ravine near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. Gordale Scar, a limestone ravine near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. Gordale Scar, a limestone ravine near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. Gordale Scar, a limestone ravine near Malham Cove in the Yorkshire Dales National Park

England, North Yorkshire, Yorkshire Dales National Park. Lone tree and limestone pavement in the area known as Moughton Scars near the small village of Horton in Ribblesdale.

England, North Yorkshire, Yorkshire Dales National Park. Lone tree and limestone pavement in the area known as Moughton Scars near the small village of Horton in Ribblesdale.

England, North Yorkshire, Yorkshire Dales National Park. Lone tree and limestone pavement in the area known as Moughton Scars near the small village of Horton in Ribblesdale.

England, North Yorkshire, Yorkshire Dales National Park. Limestone pavement known as Moughton Scars, near the small village of Horton in Ribblesdale, with the peaks of Ingleborough in the distance.