Hello, this is the spawn I have on my server, you can use it if you like but please give me credit for thuis as I put a lot of thought into this.
Please check out my youtube, subing to us and likeing our videos would be great! https://www.youtube.com/user/BellyFlopGaminHD

To put this into your server you may need to use MCedit to put it into your world

How to download
1) Download file and put on desktop. 
2) Click on the start button and search %appdata% and press enter 
3) click on .minecraft and then open up your saves folder 
4) go back to the download file on the desktop, right click on it and select 'extract here' 
5) put the file that is called hidden palace in the saves file. 
6) open up minecraft and it should be in one of your singleplayer worlds!