Mine would be The Crazy Bear in Stadhampton near Oxford.
Its one of the most quirkiest, funkiest restaurants I have ever had the pleasure to go to, and the place makes the most fantastic wedding venue.
The actual pub/restaraunt is very old, but they have a morrocan themed outbuilding for the reception venue which they decorate like this.
One of my very good friends is getting married here in September, and it should be fab