The lighthouse of Sark, UK.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/60057960@N06">Ruben Holthuijsen</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/rubenholthuijsen/35308477483/">SarkLighthouse</a>