The north face of the Monte Perdido, in the spanish Pyrenees. The mountain was masked by the clouds during 3 days, revealing the glacier occasionally... It was really cold and there was a strong wind, the ambiance was very impressive. It reminded me the world of Tolkien, Arda, with the Middle Earth and the Undying Lands. This place could have been the abode of some ancient gods or giants dragons.
(This is a new version of this photo : http://500px.com/photo/14704807).