Great Libraries...

http://www.huffingtonpost.com/james-w-p-campbell/exploring-the-worlds-grea_b_4232812.html?ir=Books&utm_campaign=110813&utm_medium=email&utm_source=Alert-books&utm_content=Title

These are just beautiful.  The Peabody might be my favorite.  I also like the Biblioteca Malatestiana's idea of chaining the books.