Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with moss covered lava field in the foreground.

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with moss covered lava field in the foreground.

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with moss covered lava field in the foreground.

Indonesia, Java, Mount Merapi, The volcano erupting at night with lava flowing in streams down the side.

Ireland, County Antrim, Giants Causeway, a tourist sitting among the rocks admiring the view.

Ireland, County Antrim, Giants Causeway, Dramatic cloud pattern over the rocks at sunset.

Ireland, County Antrim, Giants Causeway, Dramatic colourful cloud pattern over the rocks at sunrise.

Ireland, County Antrim, Giants Causeway, Dramatic cloud pattern over the rocks at sunset.

Iceland, Kalfastrond, Lava formations on the south coast of Lake Myvatn seen in evening light with dramatic cloud formations in the sky above.

Iceland, Kalfastrond, Lava formations on the south coast of Lake Myvatn.

Indonesia, Java, Mount Merapi, Volcano erupting at dawn with lava flowing in a stream down one side.

Italy, Sicily, Mount Etna erupting on 8th September 2011.