The bar-shaped design of this Lake Michigan house aligns water views and promotes energy-saving cross-ventilation.
A large west-facing skylight over the second-story observatory draws solar heat when the trees have shed their leaves.
And a polycarbonate clerestory fills the garage with natural light by day and glows from within at night.
The house blurs its boundaries with 7-foot-wide custom mahogany-and-glass doors at front and back. But, like dutiful sentinels, the birch trees shield the building from unnerving transparency.