Quick & Dirty Tutorial #19: Create a Castle Map - similar to the last tutorial, but with more complex details done in the same step to minimize total steps. Additional floors for the keep and towers could have been created, but this tutorial explains it well enough, you should be able to add more levels as you need it.

Click image for larger version. 

Name:	qd-castle.jpg 
Views:	1418 
Size:	3.22 MB 
ID:	58536