Εθνικό Αστεροσκοπείο Αθηνών - Σταθμός Πεντέλης - National Observatory of Athens - Penteli Station

The Dome of the big Newall refractor of the Penteli Astronomical Station of the Observatory of Athens is now a "Visitors center":
http://www.astro.noa.gr/VisCentre/vis_centre.htm

Instruments with this location: 
Instruments with this origin: