In the earth of the Eure-et-Loir, in Chateaudun, water and time have joined to hollow out some caves, where man took refuge since pre-history. The Caves of Foulon are nowadays the setting of an exhibition of objects from that period. During your guided visit of the caves, you can admire the great number of underground pillars, rooms, etc., but also geodes with crystallised animal prints. A world unique phenomenon. Original guided tours including treasure hunts for children.