Far north of mainland Scotland and the Orkney Islands, almost to Norway, lay the Shetland Islands - seen on a clear day, they will never leave your memory.
The Isle of Lewis and the Isle of Harris are one island divided by mountains, but joined by the production of the famous Harris Tweed woven wool cloth.
In the far north of Scotland, the farthest northern island in the Orkney chain is North Ronaldsay, where an endangered breed of primitive sheep have adapted to eat seaweed.