Well, someone bought a London Bridge made of stone took it apart and shipped it to Arizona and put it up over a man made lake in the middle of the desert..
Well, to be fair it sounds like that one actually just used the original stone to facade over modernized concrete structure.
What Marcone was /wanting/ to do was this:
Which makes sense in light of Marcone, Morgan, and Murphy all having inspiration taken from that show. Makes me really think there was some magic significance to it like in the show, either the castle itself provides different protections, he was trying to control the NN side, or maybe like the show it satisfied some magic spell condition.