is really interesting. Apparently there is a sculpture that was put in the CIA's sculpture garden that is a code of some sort. Three-quarters of it have been solved but the last part hasn't. The sculptor who made it with the help of the then head of the CIA's encryption department is surprised that it has taken this long to solve.
Even when it is
solved the creator says that there's more to it yet.
I find this interesting and very appropriate. The head of the CIA wanted more art around teh place so he had something create something like this.
Of course the CIA has probably solved it completely and they're waiting for someone outside to solve it as they did with the first three-quarters. At least I hope so.