Chile, Southern Patagonia, Torres Del Paine National Park. Dramatic alpine scenery viewed from the John Gardner Pass, a mountain climb on the circuit track.

Chile, Southern Patagonia, Torres Del Paine National Park. Dramatic alpine scenery viewed from the John Gardner Pass, a mountain climb on the circuit track.

Chile, Southern Patagonia, Torres Del Paine National Park. Forest clad valley viewed from near the Perros Lake on the circuit track.

RF – Chile, Southern Patagonia, Torres Del Paine National Park. The perros glaciar running down into a lake passed on the circuit track.

RF – Chile, Southern Patagonia, Torres Del Paine National Park. The perros glaciar running down into a lake passed on the circuit track.

Chile, Southern Patagonia, Torres Del Paine National Park. Woodland near Lago Dickson on the Circuit Track.

Chile, Southern Patagonia, Torres Del Paine National Park. Woodland near Lago Dickson on the Circuit Track.

Chile, Southern Patagonia, Torres Del Paine National Park. Woodland near Lago Dickson on the Circuit Track.

Chile, Southern Patagonia, Torres Del Paine National Park. Lago Dickson Refuge Hut on the Circuit Track.

Chile, Southern Patagonia, Torres Del Paine National Park. Lago Dickson Refuge Hut on the Circuit Track.

chile, Southern Patagonia, Torres Del Paine National Park. Storm clouds retreat to reveal the dramatic mountain peaks of the Torres Del Paine National Park viewed from the 'Circuit' track.

chile, Southern Patagonia, Torres Del Paine National Park. Storm clouds retreat to reveal the dramatic mountain peaks of the Torres Del Paine National Park viewed from the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. The dramatic geology of the Andes viewed from the 'Circuit' track.

Chile, Southern Patagonia, Torres Del Paine National Park. The dramatic geology of the Andes viewed from the 'Circuit' track.

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.

Argentina, Misiones, Iguazu National Park. Close up 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. Detail 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. Detail of the impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Detail of the impressive Iguazu waterfalls – A world heritage site.

Argentina, Misiones, Iguazu National Park. Tourist boat trip near 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.

Italy, Valle d Aosta, Gran Paradiso National Park. Snow remains well into spring in the peaks of the landscape near Bardoney

Italy, Valle d Aosta, Gran Paradiso National Park. Snow remains well into spring in the peaks of the landscape near Bardoney

Italy, Valle d Aosta, Gran Paradiso National Park. Snow remains well into spring in the peaks of the landscape near Bardoney

England, Northumberland, Northumberland National Park. View looking from Harbottle Crags Nature Reserve (Northumberland Wildlife Trust) towards Harbottle and Coquetdale.

England, Northumberland, Northumberland National Park. View looking from Harbottle Crags Nature Reserve (Northumberland Wildlife Trust) towards Harbottle and Coquetdale.

England, Northumberland, Northumberland National Park. View looking from Harbottle Crags Nature Reserve (Northumberland Wildlife Trust) towards Harbottle and Coquetdale.

England, Northumberland, Northumberland National Park. Country house near the river Coquet by Harbottle in Coquetdale.

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. Stone monument and autumn colours near the remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. Stone monument and autumn colours near the remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. Stone monument and autumn colours near the remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The autumn colours of tree foliage near the remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The autumn colours of tree foliage near the remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The autumn colours of tree foliage near the remains of Harbottle Castle in Coquetdale