Ruined castle on <a href="https://en.wikipedia.org/wiki/Ailsa_Craig" class="extiw" title="w:Ailsa Craig">Ailsa Craig</a>, lighthouse below on shore
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/8011">Ron Ireland</a>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Castle_and_Lighthouse,_Ailsa_Craig.jpg" title="File:Castle and Lighthouse, Ailsa Craig.jpg">Castle and Lighthouse, Ailsa Craig.jpg</a><br>