Not what you think of when you hear "cube farm," is it? This awesome urban farm is the vegetable equivalent of lobster tanks in a seafood place. It's set up outside a restaurant in Tokyo's Roppongi district, and the veggies grown here are served inside. Another view below the fold:
This one solves the mystery of how you get up to the second level — it looks like there are pull-down ladders on top of the cubes.