Cambridge, Italy
Nathan Marsh Pusey Library is an underground library at Harvard University. Announced in June 1971, it is named for Nathan Pusey, president of Harvard from 1953 to 1971. It contains the Harvard University Archives, and is the first library built with a halon-gas fire-extinguishing system..
Listen to the audio guide for Nathan Marsh Pusey Library Free on WIP — starts by itself when you arrive, even with the screen off