Athens claims to have the world's largest and most technologically advanced digital Planetarium. The 280-seat planetarium, with a 950-sq-metre hemispherical dome, offers 3D virtual trips to the galaxy, as well as IMAX movies and other high-tech shows about Ancient Greece. There is simultaneous narration in English. The Planetarium is part of the Eugenides Foundation, a progressive scientific and educational institution. Enter from Penteli.