Notre Dame Basilica in Montreal
![Image](http://media-cdn.tripadvisor.com/media/photo-s/00/10/bb/49/notre-dame-basilica-basilique.jpg)
In 1307, the Knight Templars were imprisoned in Domme during the trial against them, of which hundreds of Templar graffiti still bear witness. They used a code system involving series of geometric figures: the octagon represented the Grail,
![Image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Octagram.svg/200px-Octagram.svg.png)