Most popular planetariums and observatories Greece Most popular planetariums and observatories Greece Planetariums and observatories Greece mapSee on the map Planetariums and observatories Greece by region Attica Planetariums and observatories Greece by popularity rating +PENTELIGreecePenteli Observatory+ATHENSGreeceNational Observatory of AthensOther categories:BeachesMuseumsChurchesMonasteriesLookoutsCastlesCavesAncient templesGorgesFortressesWaterfallsMonumentsPublic squaresCathedralsFountainsParksLakesBridgesGardensMilitary museumsArt galleriesAnimalsBoardwalksStreetsPalacesNatural history museumsAquariumsBathsBotanical Gardens
