The Languedoc-Roussillon region boasts 300 days of sunshine and is very popular for its mild climate and fine wine. It borders on the Mediterranean Sea to the east and the Pyrenees Mountains to the south. The region has an unusually rich wildlife and a spectacular coast. Things to see include ancient cities, thermal springs, abbeys, and cathedrals, châteaux and castles, notably the famous mountain fortresses popularly known as Cathar Castles. World Heritage sites can also be found, including Carcassonne, the Canal du Midi, and the Pont du Gard. If you have time take a trip on Le Petit Train Jaune (The Little Yellow Train) from Villefranche and enjoy the rich greenery of the countryside with stunning mountainous views.