Take a look at some of the patterns in the beautiful cob cottage kitchen by Cob Cottage Comapany, USA
Lovely stone wall in cob home. I like the fact this cob home isn't round
So many design options when working with straw-bale - DIY hobbit house!
Every room is a sun room. Earthship homes are made with tires packed with dirt. This allows the walls to heat/cool home without utilities. Also collects and filters rainwater. This home is completelt off the grid