An afternoon walk on the hills above Achiltibuie, northwest Scotland, included spectacular views and atmospheric optical effects.

This afternoon, the low winter sun cast a subtle circular halo in the sky above Balnakei in the far northwest of Scotland.

This afternoon, I viewed a distinctive mirage across the surface of the sea near the town of Ardrossan on the west coast of Scotland.

Dynamic views and changing sunlight across the Sound of Jura, Argyll, Scotland.