Kansas' City Public Library Giant Bookshelf in Kansas City, Missouri, USA. The Central Library Parking Garage, "The Community Bookshelf," showcases 22 book spines and titles that were suggested by Kansas City readers.
lalibrairie: The Oxford Union Library, Oxford, United Kingdom On the walls are Pre-Raphaelites murals, painted by Dante Gabriel Rossetti, William Morris and Edward Burne-Jones. It also has a unique clerestory (Wikipedia will tell you all about it here).
El Ateneo bookstore / Buenos Aires Argentina This bookstore, one of the biggest of Argentina (if not whole southamerica), is located inside a theater called Grand Splendid on Santa Fé Ave. This theater was bought by Grupo IHLSA (the owner of El Ateneo).
THE BOOK RIOT 50: #10 Libraries of the Rich and Famous