This is a grain silo house. I love these houses and I think they could be also Earthbag houses made this way or combined construction.
Plans and shipping container
Silo house plans | Lots of options on this one page - I'd probably choose the one with the stairs in a line on the right side...
Art Vandelay's Portfolio
Grain Bins are readily available and can make a great shell for environmentally friendly "green" housing option. Transforming these common structures is catching on.
Grain Bin Silo House Ideas
Architect Christoph Kaiser turned a 340-square-foot grain silo into a two-story home for him and his wife.
Silo Home - pretty cool but I doubt any farmers would sell three nice, weather proof grain bins around here :)
Grain Silo House Pictures | Grain-Silos-House_4
Antebellum Farm: The silo and soon-to-be-finished party barn. #ModernFarmhouse #Silo
within farm's reach
stone silo houses | Lovely warm wooden staircase.. beautiful wood doesn't need painting ...
Bin up. Frame. Cut. Install windows... Like that approach.
Grain Bin Living Quarters