THE ADLER PLANETARIUM
'(<a href="http://www.j-archive.com/media/2004-10-11_DJ_10.jpg" target="_blank">Cheryl of the Clue Crew stands behind a large metal cylinder in the Adler Plantarium in Chicago.</a>)  This telescope was made by William Herschel and may be the actual one he used to discover this planet in 1781'
Uranus