It's like a multidimensional recycling bin full of half the metaphysical relics of the modern era, with some of the classics mixed in. Like a greatest hits album or something.
Did you know, Atlantis still exists here? Or... so they say, I haven't had time to make it out that way, yet. Still brushing up on my Atlantean. But... seriously. Amazing.
Anywhere, or anything else, you fine folk might sugggest looking up? I seem to have all the time in the world, with the Library being... otherwise occupied, here.