I geeked out at the Biblioteca de Catalunya (Library of Catalonia) in Barcelona this past April. I even spent some time there to work on an academic paper. Academia eventually rules us all!
You can find the full album here along with larger/higher quality versions of the photos: https://www.flickr.com/photos/afroxander/albums/72157710380479047
Afroxander (aka Iván Fernández) 