15 COOLEST Houses in the World That's Crazy! There are three things that humans theoretically can’t live without: food, water, and shelter! Since the dawn of humanity, we’ve all been trying to perfect each one of those elements, but the one that seems to really get bigger and better as we advance is shelter. We’ve gone from humble cave dwellings to insane multi-million dollar mega-mansions over the course of about two million years. We’ve got houses tucked away nice and snug in the woods, homes able to withstand the humidity of the jungle, both natural and concrete, and even homes underneath the waves. There really is something out there for everybody and with many great examples of “if you can dream it, you can do it”. So join us for today’s video, where we look at 15 of the coolest houses in the world!