Banner images are altered photographs of  the ruins of Gilles de Rais’ castle of Champtocé.

Originals of the banner images are Creative Commons Photographs from Wikimedia.

Both are by Kormin from the Architectural Archives of the French Ministry of Culture.

To the right is another of the infamous killers’ domains, Tiffauges.

The original of this photo is by Marine69, and can also be found  on Wikimedia Commons.