National Observatory of Athens

Orchomenus or Orchomenos or Orkhomenos (Greek: Ὀρχομενός) was an an

Argyrokastro (Ελληνικά. Αργυρόκαστρο, 'silver castle') is a castl

The Salmeniko Castle (Ελληνικά. Κάστρο του Σαλμενίκου, Kast

Nemea (grezieraz Νεμέα) Peloponesoko antzinako hiri bat zen, Neme

The Patras Castle (Ελληνικά. Κάστρο Πατρών) was built around the mi

Patras Lighthouse (ell. Faros Patras) is the symbol of the Greek city

The Rio Castle (Ελληνικά. κάστρο του Ρίου or Καστέλι της Πάτρας)

The Rio-Antirrio bridge (Greek: Γέφυρα Ρίου-

Keck Teleskopioa da munduko hirugarren handiena, Hego Afrikako

Griffith Observatory is in Los Angeles, California, United States.

Lick behatokia, Kaliforniako Unibertsitatearen mende dagoen behatoki

Mendi Gorrindoleko Behatokia (txineraz 紫金山天文台, pinyinez: Zĭjīnshān T

The Mount Washington Observatory (MWObs) is a private, non-profit