We all know home is where the heart is, but it can also be where the garbage is--and I mean that in the most complimentary way possible. What better way to build a home than with materials that would have otherwise gone to waste? A home made with recycled materials might not, at first glance, go hand-in-hand with the word "luxury." But, you have to admit, living in a place that does both the environment and your wallet a favor must be a pretty great feeling. Grain Silos Gigaplex This modern-looking home was built with old grain silos. Which would...