Step inside 27 fascinating libraries

In honor of National Library Week, CNN iReport asked photographers, architecture aficionados and book lovers to share photos of their most favorite libraries such as this photograph of the<a href='http://www.library.illinois.edu' target='_blank'> University Library</a> at the University of Illinois at Urbana-Champaign by <a href='http://ireport.cnn.com/people/gnagel'>Glenn Nagel</a>. The library was founded in 1867 and actually predates the university. Today, the University Library holds more than 13 million volumes and is known for allowing all members of the community to view its collection onsite.

In honor of National Library Week, CNN iReport asked photographers, architecture aficionados and book lovers to share photos of their most favorite libraries such as this photograph of the University Library at the University of Illinois at Urbana-Champaign by Glenn Nagel. The library was founded in 1867 and actually predates the university. Today, the University Library holds more than 13 million volumes and is known for allowing all members of the community to view its collection onsite.