The stylish vacation homes boast floor-to-ceiling windows with multiple siding doors to patios, different roof shapes (one had a zig-zaggy folded plate), flexible room configurations, and unadorned surfaces inside and out. Unlike conventional wood-frame, steel is impervious to rot, warping, termites and fire. It also dissipates heat after sunset, and, at the time, for the same cost as stick-built.Dan Chavkin