Amazing edifice, stop by even if it's closed, but if it is open you should stop by before or after…read morethe Archeology museum which is on the other side. World class collection.

I was under the impression from some brochure that it's an archeological museum. It's a museum for…read morerare and ancient books. Perhaps that interests you, but I felt bamboozled. Also, it's extremely confusing to figure out the entrance and the fee (it happens to be free, but that's not obvious).