63 entries match your criteria.
Astronomical Observatories Historical Markers
Intended for markers that are primarily about an astronomical observatory. Markers for astronomers, astronomical equipment, and astronomical events will each get their own series. Observatories that are not astronomical are excluded from this series.
By Cosmos Mariner, May 31, 2015
Lowell Observatory Marker
1 ► Arizona, Coconino County, Flagstaff — Lowell Observatory — National Historic Landmark —  |
| 2 ► Arizona, Pima County, Haivana Nakya — WIYN Observatory — |
| 3 ► Arizona, Pima County, Tucson, Kitt Peak — Kitt Peak National Observatory — |
| 4 ► Arizona, Pima County, Tucson, Kitt Peak — Steward Observatory — |
| 5 ► Arizona, Pima County, Tucson, Kitt Peak — The WIYN Observatory — |
| 6 ► California, Alameda County, Berkeley — Observatory Hill — |
| 7 ► California, Alameda County, Oakland, Downtown Oakland — Chabot Observatory — Founded 1883 — |
| 8 ► California, Amador County, Volcano — 715 — Astronomical Observatory — |
| 9 ► California, Amador County, Volcano — 715 — Astronomical Observatory — |
| 10 ► California, Los Angeles County, Angeles National Forest — The Lowe Observatory — Mount Lowe Railway — |
| 11 ► California, San Bernardino County, Big Bear Lake — Big Bear Solar Observatory — |
| 12 ► Colorado, Clear Creek County, Idaho Springs — University of Denver — Meyer Womble Observatory — |
| 13 ► Colorado, Denver County, Denver, University Park — 220 — Chamberlin Observatory — |
| 14 ► Connecticut, Southeastern Region, New London — Coast Guard Academy Observatory — |
| 15 ► Delaware, Sussex County, Lewes, Lewes-Rehoboth Hundred — SC-252 — Transit of Venus Observatory — |
| 16 ► District of Columbia, Washington, Northwest Washington, Foggy Bottom — U.S. Naval Observatory / The Prime Meridian — |
| 17 ► District of Columbia, Washington, Southwest Washington, The National Mall — Phoebe Waterman Haas — Public Observatory — |
| 18 ► Florida, Gadsden County, Chattahoochee — Ellicott's Camp and Observatory — George Washington's Commissioner of Limits — |
| 19 ► Florida, Gadsden County, Chattahoochee — F-241 — Site of Ellicott's Observatory — |
| 20 ► Illinois, Champaign County, Urbana, Cunningham Township — The Astronomical Observatory — |
| 21 ► Illinois, Kane County, Elgin — Elgin National Watch Co. Observatory — |
| 22 ► Illinois, Kane County, Elgin — Observatory/Planetarium — |
| 23 ► Maine, Cumberland County, Portland, East End — Portland Observatory — |
| 24 ► Maryland, Montgomery County, Gaithersburg — History and Purpose of the Gaithersburg Latitude Observatory — Latitude Observatory Park — |
| 25 ► Maryland, Montgomery County, Gaithersburg — Meridian Mark Pier and Geodetic Survey Monuments — Latitude Observatory Park — |
| 26 ► Maryland, Montgomery County, Gaithersburg — The Observatory — Latitude Observatory Park — |
| 27 ► Michigan, Calhoun County, Albion — S0566 — The Observatory — |
| 28 ► Michigan, Washtenaw County, Ann Arbor, Angell — 2 — The Detroit Observatory — 1854 — |
| 29 ► Mississippi, Lafayette County, University — Barnard Observatory — |
| 30 ► Mississippi, Lafayette County, University — Barnard Observatory — |
| 31 ► Nevada, Carson City — 258 — Charles W. Friend House, Observatory, and Weather Station — |
| 32 ► New Jersey, Middlesex County, New Brunswick — Daniel S. Schanck Observatory — 1866 — |
| 33 ► New York, Ontario County, Geneva, Castle Heights — Smith Observatory — |
| 34 ► New York, Ontario County, Phelps — Site of the Red House Observatory — |
| 35 ► New York, Westchester County, Hastings-on-Hudson — 13 — Henry Draper and His Observatories / Henry Draper y Sus Observatiorios — Hastings-on-Hudson, New York — The Museum in the Streets® — |
| 36 ► Ohio, Hamilton County, Cincinnati, Hyde Park — 23-31 — The Cincinnati Observatory — "Lighthouse of the Sky" — |
| 37 ► Ohio, Summit County, Hudson — Loomis Observatory — |
| 38 ► Pennsylvania, Allegheny County, Pittsburgh, Perry North — Allegheny Observatory — |
| 39 ► Pennsylvania, Allegheny County, Ross Township, McKnight — First Aluminum Observatory Dome — |
| 40 ► Pennsylvania, Chester County, Coatesville, Newlin Township — Site of Mason & Dixon’s “Stargazing” Observatory — 1764 — |
| 41 ► Pennsylvania, Montgomery County, Eagleville, East Norriton Township — Rittenhouse Observatory — |
| 42 ► Pennsylvania, Northampton County, Easton — Astronomical Observatory — 1865 — |
| 43 ► South Carolina, Aiken County, Aiken — Transit of Venus Observatory Structure, 1882 — Reported permanently removed |
| 44 ► Tennessee, Davidson County, Brentwood, Neighbors of Granny White — Vanderbilt Dyer Observatory — |
| 45 ► Texas, Jeff Davis County, Fort Davis — 10480 — McDonald Observatory of the University of Texas — |
| 46 ► Utah, Salt Lake County, Salt Lake City, University — 5 — Orson Pratt Observatory — Salt Lake City, Utah 1869 — Replicated in 2001 — |
| 47 ► Vermont, Orleans County, Brownington, Orleans — Orleans County Grammar School and Prospect Hill Observatory — |
| 48 ► Vermont, Windsor County, Springfield — Stellafane Observatory — |
| 49 ► Virginia, Bristol — Solar Observatory — |
| 50 ► Australia, Victoria, Melbourne — Observatory Building — Melbourne Observatory — |
| 51 ► Belgium, Région Bruxelloise, Bruxelles-Capitale, Saint-Josse-ten-Noode, Sint-Joost — Ancien Observatoire / Voormalig Observatorium / Former Observatory / Ehemalige Sternwarte — |
| 52 ► Nova Scotia, Cape Breton Region, Louisbourg — Canada’s First Observatory — Le premier observatoire au Canada — |
| 53 ► Ontario, Kingston — The Kingston Observatory / L’Observatoire de Kingston — |
| 54 ► Québec, Capitale-Nationale, Québec, Montcalm — Quebec City Astronomical Observatory — Observatoire Astronomique de Québec — |
| 55 ► France, Île-de-France, Département de Paris, Paris, Montparnasse — L'Astronome Danois Olaus Römer — |
| 56 ► France, Provence-Alpes-Côte d’Azur, Bouches-du-Rhône, Marseille, Hôtel de Ville — Ancien Observatoire de Marseille — |
| 57 ► Germany, Baden-Württemberg, Tübingen — 1 — Die historische Sternwarte... / The Historic Observatory... — |
| 58 ► Germany, Bayern, Würzburg — Die Erste Sternwart der Universität Würzburg / The First Observatory of the University of Würzburg — |
| 59 ► Mexico, Ciudad de México, Colonia Bosque de Chapultepec I Sección — National Astronomical Observatory of Mexico — Observatorio Astronómico Nacional — |
| 60 ► Mexico, Yucatán, Tinum, Pisté — The Observatory — |
| 61 ► South Korea, Gyeongsangbuk-do, Gyeongju, Inwang-dong — Cheomseongdae Observatory, Gyeongju — 경주 첨성대 — National Treasure No. 31 — |
| 62 ► Switzerland, Zürich, Bahnhofstrasse — Urania Observatory — Uraniasternwarte — |
| 63 ► United Kingdom, England, Greater London, Greenwich — The Royal Observatory — |