The world's largest exhibition presenting the history of space travel since the last century to the present day. It showcases American and Soviet exhibits from the US Space and Rocket Center of NASA. The exhibition presents the technical and scientific aspects of traveling in space. It consists of models and mock ups but above all authentic machines and equipment used by the US and the Soviet Union in following programs: Mercury, Gemini, Apollo, Skylab, Apollo-Soyuz Test Project, STS, Shuttle-Mir and the ISS. The exhibition puts a strong emphasis on education offering the unprecedented "first-hand" experience.