Ethan Schussler built his first tree house at 12 years old. His tree house in Sandpoint, Idaho, sits 30 feet above the ground and can be accessed by an "elevator" consisting of a bicycle that, when pedaled, ascends a pulley system to the top.

A PK 22 Easy Chair by Poul Kjaerholm for Fritz Hansen adds a dash of yellow to the breakfast room.

It might not make you popular with your contractor, but for a more streamlined look, Chris recommends forgoing trim. "It lends a clean look with less visual clutter," the architect says. In their house, the doors, lights, cabinetry, and even wall sockets (all 22 by Bocci) are installed without trim. This allows the planar surfaces to recede and do their jobs without unnecessarily distracting the eye.

Airstream’s Flying Cloud 30FB Office travel trailer includes a designated workspace in the back corner.

Abutting a costal reserve, the property has uninterrupted views of the Snowy River and surrounding wetlands

The design team restored the existing wood beams, giving nod to the home’s former rustic life, while introducing big windows, white walls, and clean lines.

Bay Point Landing offers cabin and Airstream accommodations, RV sites, a communal clubhouse, an indoor saltwater pool, an event hall, a private beach—and plenty of open spaces for surfing, whale watching, crabbing, fishing, or hiking.

The upper floor of one of the cabins features a wood-burning stove, beanbag chairs, and a hanging paper lantern.

Bocci's 22 Series offers stealthy electrical, cable, USB, and phone outlets.

The three arms of the Apfel House stretch out to catch the best views of Ranco Lake and the Andes Mountains.

Mary and Kundan Bhullar built a shipshape country escape that sits lightly on the land in the Aravalli hills near Gurgaon, India.

The Armadillo is parked on a 1,000-square-foot lot that gives the couple ample outdoor space.

The backyard evokes the serenity of a Japanese Zen garden with a beautiful leaning tree and a shou sugi ban shed.

“Every time you challenge a basic assumption, there needs to be some method of expressing the fact that there’s new logic at work.”—Omer Arbel, creative director at Bocci

PeaceBOMB Bracelets by Article 22 "A22PeaceBomb3" $38.00 for three A special product with a special story. PeaceBOMB bracelets are crafted from the reclaimed metal of Vietnam-era bombs dropped on Laos during the United States' conflict in Indochina. Developed through a social enterprise that supports sustainable development through design thinking, its collaborators include Naphia spoon makers, Helvetas’s Rural Income Through Sustainable Energy Project and ARTICLE 22. These bracelets not only represent an opportunity for artisan families to generate income, but also tell a story about their makers and the legacies of a shared history. Buy the bombs back!"

Inspirational spaces

Milan saw the launch of wrong.london, an offshoot of HAY that's run by creative director Sebastian Wrong. The lighting-focused division released these veneered-oak lampshades, dubbed 30degree, among other designs.

This kitchen features a sleek Henrybuilt kitchen system in white.

Square Bamboo Plates, $30; Bamboo Nesting Bowls, $34; Fluted Bamboo Cups, 22

On a rocky bank, Hebra Arquitectos builds a breezy home that opens wide to nature.

British artist Hannah Sawtell and technologist Avi Flombaum created sawbaum.com, where users can create visual collages using multiple vine streams. "We wanted it to look like a visual comic book, with overlapping panels," said Flombaum. "And we wanted it to be fun!" Photo courtesy Rhizome.

by Schacht Aslani Architects

A monumental German climate map enlivens the dining area, which also sports CH 23 & CH 30 chairs by Hans Wegner.

Eny Lee Parker's hand-formed ceramic Oo lamp has the sculptural quality that distinguishes her furniture and lighting.

Track and spotlights are fixtures that are attached to a track that is mounted to the ceiling or hung off the ceiling, depending on the fixture.

Kele Dobrinski and Christina Valencia, of Sacramento, California-based Colossus Mfg., revamped a 2008 Starstream Starcraft camper that allows their family of five to comfortably explore nature in different landscapes for weeks at a time.

Bend Basket in Copper, designed by Gaurav Nanda for Bend, $320 at the Dwell Store Handcrafted in galvanized iron, then hot-dipped and powder-coated, this geometric bowl is rust-resistant, making it equally useful in the kitchen, bathroom, or office. It also comes in neon red, yellow, or white.

Case Study House No. 22., The Stahl House

A simple kitchen includes a traditional wood stove, but much of the cooking is done outside, on the outdoor wood-fired grill.

A ribbon-like spiral staircase leads from the open-plan living area to the second level, where the bedrooms are located.

Brook&Lyn's new Rya bench, combining solid maple with a clear coat finish and handwoven cotton yarns.