That is remarkable. No, not even that describes it. I think there's only one word that can describe this, divine, and yet that is a bit of an understatement. Truly amazing work my friend you deserve many, many diamonds.
I just went onto the server to check it out and I have to reiterate. WOW. It's a lot bigger then you think when you look at it from the server and I forgot to download fly mod onto my 1.7.3 MP ".minecraft" folder so it took me a really, really long time to get around. And then you get into the crypt and it's just amazing how enormous it is. You see all the crypts for the server members and it just goes on and on and just... wow. I congratulate you sir on your amazing spectacle of awesome on that server and if I were Notch or the CEO of some huge architectural company, I would hire you. Just saying.