Tower of Tranquility: Building the tower

The Tower of Tranquility is Tomorrow Man's secret HQ in Space. I thought it would be fun to draw a map of it and I'm putting lots of detail- working  down to pixel level in my art. Its taking a lot of time! and I have worked for days on nothing else! I hope to be finished soon. Here are some rough drafts- not fully colored or shaded- to tantalize you:

 I can't WAIT to finish this and show you the whole thing!!!!