Fodor's Expert Review Palais de l'Isle

Meander through the Vieille Ville, starting on the small island in the River Thiou, at the 12th-century Palais de l'Isle, once site of law courts and a prison, now a landmark. Like a stone ship, the small islet perches in midstream, surrounded by cobblestone quays, and is easily one of France's most photographed sites.