Vannes' old town is surrounded by imposing ramparts and gates, which are in turn lined by a moat and, on the eastern edge, simply spectacular flower-filled gardens. Tucked away behind rue des Vierges, stairs lead to the accessible section of the ramparts from which you can see the black-roofed Vieux Lavoirs (Old Laundry Houses) along the water. Or walk rue Francis Decker, on the wall's eastern exterior, to take it all in.