The W. M. Keck Observatory is a two-telescope astronomical observatory

Die Griffith-sterrewag (Engels: Griffith Observatory) is 'n openbare

The Rundetårn (English: Round Tower) is a 17th-century tower located

The Lick Observatory is an astronomical observatory, owned and

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,

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

Mount Washington is die hoogste bergpiek in die Noordoostelike

Boothe Memorial Park and Museum sits on a 32-acre (130,000 m2) site in

The Einstein Tower (German: Einsteinturm) is an astrophysical

The Observatoire de Nice (Nice Observatory) is an astronomical

Monument to the Soviet war veterans is a monument on Avala mountain

The Paris Observatory (in French, Observatoire de Paris or

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