About the Bentley
The Bentley Historical Library is one of the largest archives documenting Michigan’s people and organizations.
Detroit Observatory
Where Michigan’s History is Written in the Stars
The historic Judy and Stanley Frankel Detroit Observatory, located on the University of Michigan’s central campus, is a division of the Bentley Historical Library. Come see the stars and explore the past through tours, observing, presentations, talks, and more!
Visit the Observatory
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Visit
The Library
Learn about our opening hours, location and parking and how to plan your visit to the Bentley.
Visit The Bentley
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