Trinity College Library - Dublin, Ireland
This library was founded in 1592 by Queen Elizabeth I. It's Long Room contains over 200,000 of the library's oldest books as well as busts of famous writers and one of the oldest harps in Ireland. The Trinity College Library is also home to The Book of Kells.
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The library is glass and concrete, designed by Alberto Kalach. The design makes it appear that the book shelves are hanging in midair while in the center of the library is a giant whale skeleton hanging from the ceiling.