Cave sights in France
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Wrap up warm to experience the Grotte de la Mer de Glace ice cave, where frozen tunnels and ice sculptures change colour like mood rings.
Take a 35-minute guided tour round the Grottes de l'Observatoire, a prehistoric cave network stuffed with stalactites and stalagmites, 279 steps down inside the hillside; strangely, it's the only cave in Europe where the temperature rises as you descend. Admission to the cactus collection and Musée d'Anthropologie Préhistorique is also included.
From the tourist office, take bus 2 to the Jardin Exotique stop.
Who would've thought cacti could be so much fun? With 7000 varieties of cacti and succulents, the Jardin Exotique is paradise for prickle-lovers. If 7000 cacti is about 6998 too many, the garden is still worth a visit for its spectacular views.
Your ticket also gets you a 35-minute guided tour round the Grottes de l'Observatoire, a prehistoric cave network stuffed with stalactites and stalagmites. Admission to the Musée d'Anthropologie Préhistorique (Museum of Prehistoric Anthropology) is also included.