in addition to the main exhibition, heureka generally also houses two temporary exhibitions. the topics of past temporary exhibitions have included, for example, dinosaurs, humans, sports, forests, the art of film, flying and ancient cultures. since heureka’s opening, the most successful exhibitions have been the dinosaur exhibitions. the 2001 exhibition about the family life of dinosaurs, for example, attracted 406,000 visitors. many of the exhibitions independently produced by heureka have made guest appearances in numerous science centres all over the world. heureka also features exhibitions imported from abroad.