A look at the small reading nook located on the level between the bedroom and ground floor.

House O, designed by Jun Igarashi, forgoes hallways and interior doors in favor of casually interconnected rooms.

Sleeping nooks that look like the grooves in a block of cheese.

In all of its beige glory...

5.0.2

A passage between the walls for hide and seek.

The 4,368-square-foot residence lies in the isolated town of Mount Washington, Massachusetts.

The addition’s two stories of cedar-framed sliding doors and window provide generous views of the house’s prized jacaranda tree. The addition’s polished concrete floor and white cladding extend into the garden, drawing occupants to the serene rear porch. There, they can relax on stools designed by Alvar Aalto and Charles Wilson while admiring the luscious greenery.

Bathroom of the Freunde von Freunden X Vitra Apartment Hanging plants and an open shower accentuate the bathroom’s light, airy layout. Sink by Alape, shower and fixtures by Dallmer and Dornbracht. Photo by Steve Herud

Situated on a sloped-site, each renovated space provides a unique perspective and vista to the dramatic natural surroundings. The office, with its stark modern furnishings and subtle artwork, allows the large window to serve as perhaps the most dramatic, singular frame to the foliage beyond.