Old Naval Observatory was created in 1843.
United States Naval Observatory Flagstaff Station was created in 1955.
Old University of Alabama Observatory was created in 1844.
Old Naval Hospital was created in 1806.
One Observatory Circle
Old Royal Naval College was created in 1694.
Washington, DC
A house is provided on the grounds of the US Naval Observatory in Washington, DC. The house is located at the southeast corner of 34th Street and Massachusetts Avenue. The address given at whitehouse.gov is Number One Observatory Circle, Washington, DC. This house, originally for the Naval Observatory's superintendent, became the VP's house in 1974. Prior to that, each VP was responsible for finding his own accommodations.
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.