Alnwick Castle in Alnwick, Northumberland, England.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Alnwick_Castle_2011.JPG" title="File:Alnwick Castle 2011.JPG">Alnwick_Castle_2011.JPG</a>: <a href="//commons.wikimedia.org/wiki/User:Dr.Haus" title="User:Dr.Haus">Dr.Haus</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Cornischong" title="User:Cornischong">Cornischong</a></li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Alnwick_Castle_2011.JPG" title="File:Alnwick Castle 2011.JPG">Alnwick_Castle_2011.JPG</a></li></ul>