Yerkes Observatory: Restoring the World's Largest Refracting Telescope - Grainger KnowHow
Perkins Observatory – Observatories of Ohio
Gemini Observatory - Wikipedia
File:Refracting telescope of the Strasbourg observatory.jpg - Wikimedia Commons
Observatory | South Carolina State Museum
Racine Astronomical Society - Modine Benstead Observatory
Palomar Observatory | observatory, California, United States | Britannica
109,284 Observatory Images, Stock Photos & Vectors | Shutterstock
Telescopes - Griffith Observatory - Southern California's gateway to the cosmos!
Perkins Telescope Observatory
New telescope a 'game-changer' | Phillips Exeter Academy
Robinson Observatory - UCF Planetary Sciences Group
Telescopes and Instrumentation | ESO
Is Los Angeles Home to the Most Looked-Through Telescope in the World? - The New York Times
See The Universe! The National Astronomical Observatory Of Japan | MATCHA - JAPAN TRAVEL WEB MAGAZINE
TMT International Observatory
Antique telescope offers a view into the galaxy - Student Life
The Clark Telescope, built in 1896, at Lowell Observatory in Flagstaff, Arizona | Library of Congress
An overview of the design for the Thirty Meter Telescope Observatory. | Download Scientific Diagram
World's observatories watching 'cool' star | EurekAlert!
Keck Observatory | observatory, Mauna Kea, Hawaii, United States | Britannica
Palomar Observatory: Facts & Discoveries | Space
Observing the Sky - Griffith Observatory - Southern California's gateway to the cosmos!
Haute-Provence Observatory - Wikipedia
Lick Observatory telescope, 1889 - Stock Image - C016/4317 - Science Photo Library
