England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

England, Northumberland, Hareshaw Linn. Hareshaw Linn is a spectacular waterfall located in a steep sided gorge, which continues to flow through a wooded valley. Hareshaw Linn is located near Bellingham within the Northumberland National Park.

Scotland, Scottish Highlands, Eas Chia-aig waterfall. Detail shot of the Eas Chia-aig waterfall.

Scotland, Scottish Highlands, Corrieshalloch Gorge and Falls of Measach. The Corrieshalloch Gorge is a spectacular mile-long gorge created by the River Droma which has carved the canyon by eroding through hard metamorphic rock.

Scotland, Scottish Highlands, Rogie Waterfalls. A cascade of Peat coloured water at Rogie Falls, near Contin.

Scotland, Scottish Highlands, Rogie Waterfalls. A cascade of Peat coloured water at Rogie Falls, near Contin.

England, Cumbria, Lake District National Park. River Duddon and storm clouds above the Little Stand and Ulpha Fell.

England, Cumbria, Lake District National Park. River Duddon and storm clouds above the Little Stand and Ulpha Fell.

England, North Yorkshire, North York Moors National Park. Thomason Foss waterfall near Goathland in the North York Moors National Park.

England, North Yorkshire, North York Moors National Park. Thomason Foss waterfall near Goathland in the North York Moors National Park.

England, Cumbria, Lake District National Park. Aira Force is a powerful body of water near the shores of Ullswater. A circular walk follows both sides of the falls with a picturesque stone bridge providing the means to cross the 70ft dramatic drop of the water.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

England, Yorkshire, Yorkshire Dales National Park. The Strid flowing through Strid Wood, part of the Bolton Abbey Estate.

Scotland, Scottish Borders, Lindean Loch. Dramatic skies over Lindean Loch, Whitlaw Mosses National Nature Reserve.

Scotland, Scottish Borders, Craik Forest, Tima Water meanders through Craik Forest.

Scotland, Scottish Borders. Fast flowing stream shortly before it joins Borthwick Water near Roberton.

Scotland, Scottish Borders. Moss covered tree branch, stretching across a small burn.

New Zealand, Canterbury, Arthur's Pass National Park. Detail view of a boulder in the river bed of the Bealey River.

New Zealand, Canterbury, Arthur's Pass National Park. Bealey River flowing through the Bealey Valley.

New Zealand, Southland, The Catlins. Abstract view of the Purakaunui Falls in the Catlins Forest Park.

New Zealand, Southland, The Catlins. Purakaunui Falls surrounded by native woodland and bush in the Catlins Forest Park.

New Zealand, Southland, The Catlins. Purakaunui Falls in the Catlins Forest Park.

New Zealand, Southland, The Catlins. Purakaunui Falls surrounded by native woodland and bush in the Catlins Forest Park.

Chile, Southern Patagonia, Torres Del Paine National Park. Waves crashing against a bay of pebbles at Lago Nordenskjold.

Chile, Southern Patagonia, Torres Del Paine National Park. The emerald coloured Lago Nordenskjold.

Chile, Southern Patagonia, Torres Del Paine National Park. Rapids on the Rio de los Perro running through a forested gorge on the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. Rapids on the Rio de los Perro running through a forested gorge on the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. Rapids on the Rio de los Perro running through a forested gorge on the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. Rapids on the Rio de los Perro running through a forested gorge on the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. Rapids on the Rio de los Perro running through a forested gorge on the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. Rapids on the Rio de los Perro running through a forested gorge on the 'Circuit' track.

Argentina, Misiones, Iguazu National Park. Tagged Coati near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Coati and young near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Alligator / Crocodile river near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Alligator / Crocodile river near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Alligator / Crocodile river near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Alligator / Crocodile river near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Alligator / Crocodile river near the Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Birds fly in flocks in front of the impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. The impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. The impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. The impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. The impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. The impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. The impressive Iguazu waterfalls – A world heritage site.