The remains of the old castle of Cloppenburg, Germany - the castle are the rocks in the foreground.
Carsten Niehaus (<a href="//commons.wikimedia.org/w/index.php?title=User:Lumbar&amp;action=edit&amp;redlink=1" class="new" title="User:Lumbar (page does not exist)">Lumbar</a>)
CC BY-SA 1.0
<span class="int-own-work" lang="en">Own work</span>