Great drifting icebergs and bubbling hot springs, spewing geysers and ice-clad volcanoes - Iceland is a country of extremes. The landscape is ethereal - all ice and fire - and the natural phenomena here are unlike anything else in the world. The aurora borealis paints the night sky with dancing beams of light, in one of the greatest shows on earth. In summer, the sun shines a pale pink at midnight. The beaches are black with glittering ice diamonds strewn across the sands.