The W. M. Keck Observatory is a two-telescope astronomical observatory
Griffith Observatory is in Los Angeles, California, United States.
The Lick Observatory is an astronomical observatory, owned and
The Rundetårn (English: Round Tower) is a 17th-century tower located
The Pic du Midi de Bigorre or simply Pic du Midi (altitude
The Royal Observatory, Greenwich (formerly the Royal Greenwich
Lowell Observatory is an astronomical observatory in Flagstaff,
Boothe Memorial Park and Museum sits on a 32-acre (130,000 m2) site in
Blackrock Castle is a 16th century castle located about 2km from the
The Osservatorio Astronomico di Brera (Brera Astronomical Observatory)
The Robert C. Byrd Green Bank Telescope (GBT) is the world's largest
The Jantar Mantar is a collection of architectural astronomical
The Mount Washington Observatory (MWObs) is a private, non-profit
The Einstein Tower (German: Einsteinturm) is an astrophysical
The Observatoire de Nice (Nice Observatory) is an astronomical
The Paris Observatory (in French, Observatoire de Paris or
Monument to the Soviet war veterans is a monument on Avala mountain
Rozhen Observatory (also known as NAO-Rozhen) is a Bulgarian
Yerkes Observatory, is an astronomical observatory operated by the
The Arecibo Observatory is a radio telescope located close to the city