Book Mania!

The old stacks and balconies at Riggs Library, Healy Hall, Georgetown University. (by randomduck)

Bibliothèque Nationale de France (Site Richelieu), Paris. This is the original of now six sites of the French National Library, heir of the royal library of France, itself dating back to 1368. Site Richelieu is dedicated to coins, stamps, maps, manuscripts, music, objects and prints, holding the rarest objects including first examples of human writing. Apart from the impressing oval reading room and many dedicated libraries, it is also a site for separate art galleries, hosting numerous exhibits throughout the year. (via parisincognito)

The interior of Chetham Library in Manchester, England. (photo by Darby Sawchuk)

Real Gabinete Português de Leitura, Rio De Janeiro, Brazil. The Real Gabinete Português de Leitura fits over 350,000 volumes in just one room. The interior of the room is four stories tall to allow for maximum shelf space, and also houses a small collection of sculptures, paintings, and coins. (photo by Wilson Santana)