The Porte de Soissons (also known as Soibert) closed one of the main entrances to the west of the medieval town. Built around 1200, and despite its deterioration, it remains a fine example of medieval military architecture.
Just below it is Laon's "Tower of Pisa", the Tour de Dame Eve, a corner and flanking tower of the medieval rampart. A landslide of its base due to the clay soil gives it its distinctive appearance...