[CAPTION: Library Compact Mirrors | Library Makeup Mirror Designs]
Googling "most famous library" yields many contenders. The results also return information about other categories of libraries (e.g., destroyed libraries, most beautiful libraries, most interesting libraries).
This list - "25 Most Famous Libraries Of The World" | March 18, 2013 | LibraryScienceList.com - was compiled for LibraryScienceList (a social community for new and current librarians around the world) but is no longer available online, so I've linked the archived document here. How many of these famous libraries have you visited?