Puertas de Hierro
The natural sciences exhibition, inaugurated on 15 May 1972, presents the physical and geographical conditions of the Iron Gates Gorge, (Hall 1), the flora and fauna of the Iron Gates Gorge (Hall 2), the Danubian ichthyofauna of the Iron Gates storage basin (aquarium), and the water fauna in the Iron Gates region. The exhibition closes with aspects relating to cosmogony, paleontological evidence (testimonies regarding the origin and evolution of man).