An observatory is a location used for observing terrestrial and/or celestial events.
Those are the observatories.
No. Mt Wilson observatory is in the San Gabriel Mountains and the Griffith observatory is in the Hollywood Hills. www.mwoa.org
The observatory is in Green Bank.
Lowell Observatory is located in Flagstaff, Arizona.
Göttingen Observatory ended in 1984.
Modra Observatory was created in 1988.
Stellafane Observatory was created in 1924.
Erbil Observatory was created in 1973.
Steward Observatory was created in 1916.
Bosscha Observatory was created in 1923.
Mead Observatory was created in 2001.
Goodsell Observatory was created in 1886.