The latter isn't that far-fetched. The huge meeting hall Hitler started in Nuremberg was in ruins when last I saw it (about a decade ago). But they now restored it and put a roof on top. It's now a documentation center. It's a huge building. The outer rim is finished. The inner court was supposed to be covered by a huge roof to make a congress hall of unique dimensions.
This is what it was planned to look like:
This is how it looked a decade ago when it was used as parking lot for cars confiscated by the police (actually it looked far worse but I couldn't find a photo)
And now it looks like this:
I take it Fatherland is a book? Gotta read it (unless it's on the index, over here)