A tour of the Vivarium, with its four rooms decorated for Halloween, where you can see over 200 reptiles (snakes ranging from 50 cm to over 5 metres, dwarf crocodiles, lizards, land and aquatic tortoises… a snake demonstration, a quiz and other activities. Tuesday to Sunday, 2 pm to 6 pm (mornings by booking only for groups of 8 or more). €10 for those aged 13 and over; €8 for children aged 4 to 12.