Nature cities. Stacked houses. Half-suburb half-zoo hybrid where your terrace is above an elephant and the wolves are just around your backyard slope. Well… wow. Last summer, five interdisciplinary teams of “architects, urban planners, ecologists, engineers, and landscape designers” got together for public workshops at MoMA PS1 and re-envisioned “housing” in light of the ongoing foreclosure crisis. See their pipe dreams and brilliant schemes as renderings, models and animations at “Foreclosed: Rehousing the American Dream,” Feb 15 – Jul 30, MoMA, NYC