Carcassonne in 3 days: the Cité (UNESCO 1997 — 3km of double walls, 53 towers, the Château Comtal: the most spectacular medieval fortified city in western Europe, the most impressive medieval military architecture in France), the Cathar history (the Albigensian Crusade 1209–1229: the Châteaux de Lastours, the village of Minerve where 180 Cathars chose burning over recantation in 1210), the Canal du Midi (UNESCO 1996 — built 1667–1681 by Pierre-Paul Riquet who spent his personal fortune on the most important 17th-century engineering project in France), the Minervois and Fitou wines (the oldest AOC in the Languedoc) and the authentic cassoulet (the slow-cooked white bean + confit duck + Toulouse sausage cassoulet: the most fiercely disputed recipe in French cuisine).