The Salt Lake City Public Library is one of the coolest libraries in the country. A gorgeous sunlit arboretum with a cafe and shops bumps up against the book collections. It's an absolute for visitors of Salt Lake City.
The University of Coimbra General Library (Biblioteca Geral da Universidade de Coimbra), Coimbra, Portugal.
Vancouver Library Square The central branch of the Vancouver Public Library System is a nine-story glass building surrounded by a glass-covered walkway and Coliseum-esque colonnade complete with social space, reading areas, and study rooms.