Loomis Observatory - Credit: Wikimedia Commons
Loomis Observatory (also known as the Elias Loomis Observatory) is the second oldest observatory in the United States, located in Hudson, Ohio. Construction was completed in 1838. It is on the campus of Western Reserve Academy, a college preparatory school. When the observatory was constructed the school was Western Reserve College, which later repaired to Cleveland and is now known as Case Western Reserve University. Read more on Wikipedia
Source: en.wikipedia.org