Abbatiale Saint-Pierre et Cloître in Moissac

You're standing at the Abbey of Saint-Pierre in Moissac, once a powerful Benedictine monastery. Start with the south portal of the church. It used to face the town's main square, and it's one of the great masterpieces of Romanesque sculpture. What made it special was that the carving moved outside, onto the public front of the church, instead of staying inside near the altar.