If your trip to Saint-Marcel-les-Valence is all organized but your itinerary is a bit on the empty side, we can give you a helping hand.Whatever you do, don't forget to bring your camera when you swing by Maison des Tetes. This fascinating attraction is sure to offer some incredible photo ops.Nothing beats discovering new places. While you're here, Chateau de Crussol and Valence Cathedral ought to be among them. Another sight to bear in mind is Valence Museum.