At Grotte de Saint Marcel d'Ardeche, Grotte Chauvet-Pont d'Arc and Grain de Sel Beach, you can surround yourself with nature. If you've got some time to explore the area around Cave of Saint-Marcel, you may want to make a stop by Domaine Saladin, Mas de Libian and Clos Delorme. Grotte de la Madeleine and Aven Marzal are both worth a visit while you're out exploring.