In the old town center ' which is closed to traffic ' keep an eye open for the many handsome gabled houses of the Renaissance the Ancienne Douane ( Old Customs House , Grand-Rue ) ; Maison des Arcades ( Grand-Rue ) ; Maison Pfister ( Rue des Marchands ) ; and Maison des Tates ( Rue des Tates ) .
There ate extravagant antique homes to venture to .