A helical steel staircase sits just off the main entranceway in this house by architect Vaughn McQuarrie. The staircase adds a sculptural element to the grand central living space and provides access to a mezzanine level.

A helical steel staircase sits just off the main entranceway in this house by architect Vaughn McQuarrie. The staircase adds a sculptural element to the grand central living space and provides access to a mezzanine level.