A 173 ft (53 m) in diameter circular building, the Interpretation Center of the MuséoParc Alésia has five levels, including a semi-underground level dedicated to technical spaces. The ground floor houses the administrative spaces as well as the reception areas for the public and the children, the educational rooms, the shop, and the restaurant. The first floor is entirely occupied by the scenographic spaces open to visitors. The second floor is devoted to meeting-conference rooms arranged around an auditorium surmounted by the green terrace of the open-air third floor.