The house's triangular shape effectively blocks sight of a large wall that stands nearby. "The form of the plan really follows out of making the best for the garden and the views," Koolhaas says.  Photo 1 of 8 in Triangular House by Laura C. Mallonee

Triangular House

1 of 8

The house's triangular shape effectively blocks sight of a large wall that stands nearby. "The form of the plan really follows out of making the best for the garden and the views," Koolhaas says.