For a self-sustaining life vessel that would be perfect for the apocalypse, look no further than "The Ark". It's basically a structure that has its own independent life support sources, complete with a dome-like top and the ability to float through rising sea levels if need be. Continue reading for more pictures and information.
The Ark is completely self-sustaining, as it's designed to heat, cool, and sustain energy. Plus, "planting greenery is also a part of living in the Ark, in order to produce oxygen and liven up the contemporary interior areas."