Its 36 tanks, the biggest holding 10,000 litres of water, present the wonders of underwater life. Living reptiles and amphibians can be found in the Reptile Zoo. Approximately 200 animals, most of which are not indigenous, inhabit 56 terrariums: in addition to domestic snakes, well-known poisonous snakes from all over the world as well as water and land turtles, lizards, frogs and Mississippi alligators can be observed in naturally styled terrariums. The Space Research Hall features an original-size diorama of the moon landing, a space station of the future, a mercury spacecraft in original size as well as a number of rocket models.