Lello & Irmao in Porto, Portugal. The Top 10 Most Beautiful Bookstores in the World. It opened in 1906 and features stunning Art Deco woodwork, a stained glass ceiling, and ornate shelving with a dramatic staircase up the center of the store.
Book Nook in a fireplace that is no longer usable. Very creative use of space. Just make sure to clean that fireplace well before putting any books in there and to seal things to prevent water damage or pests from coming down the chimney.