Rooftop Observatory – Astronomy
Goodsell Observatory – Carleton College
The Clark Telescope, built in 1896, at Lowell Observatory in Flagstaff, Arizona | Library of Congress
New telescope a 'game-changer' | Phillips Exeter Academy
Antique telescope offers a view into the galaxy - Student Life
World's observatories watching 'cool' star | EurekAlert!
Keck Observatory | observatory, Mauna Kea, Hawaii, United States | Britannica
Is Los Angeles Home to the Most Looked-Through Telescope in the World? - The New York Times
An overview of the design for the Thirty Meter Telescope Observatory. | Download Scientific Diagram
The 10 biggest telescopes on Earth | Space
Palomar Observatory | observatory, California, United States | Britannica
Lick Observatory - Wikipedia
Telescopes - Griffith Observatory - Southern California's gateway to the cosmos!
Perkins Observatory – Observatories of Ohio
Observing the Sky - Griffith Observatory - Southern California's gateway to the cosmos!
Ballreich Observatory / McMillin Telescope – Observatories of Ohio
Haute-Provence Observatory - Wikipedia
Yerkes Observatory: Restoring the World's Largest Refracting Telescope - Grainger KnowHow
Perkins Telescope Observatory
Telescopes | UCL Observatory (UCLO) - UCL – University College London
Starry Sight - Telescope Cleaning At Stuttgart Observatory | Kärcher
File:Refracting telescope of the Strasbourg observatory.jpg - Wikimedia Commons
Heidelberg, telescope, observatory, observatory in the king's chair, Baden-Wurttemberg, Germany Stock Photo - Alamy
Observatory | South Carolina State Museum
Gemini Observatory - Wikipedia
Racine Astronomical Society - Modine Benstead Observatory
