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.

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

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.

2010Bob Garden Club chair for Kettal.

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

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

2007 Office Pets.

2009Tribute to Camper.

2002 Repeat, for Maharam.

1999 The Kasese Chair.

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.

2006 Worker Chair for Vitra.

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.

The bar showcases many green products. The bar top, made at the 19 greek street gallery, is fashioned from recycled glass, and the chairs, from both Out of the Dark and Studio deForm, are fashioned from upcycled material.

Another view of the mezzanine. Rough brick walls add texture and old-world charm.

According to Ndoro, LIBRARY will “provide a much-needed space for the pioneering design community of the capital and beyond.” This room features a collection of eclectic Middle Eastern and African pieces, according to 19 greek street founder and creative director Marc Peridis. The curvaceous M'Afrique Shadowy Chair by Moroso is made by Senegalese craftsman, the rug and vases are fashioned from recycled African fabric. The two Papillon chairs near the window are by Karen Chekerdjian, a designer based in Lebanon.

Hella Jongerius / Jongeriuslab in Berlin

2005 Cupboard, an experimental one-off for Galerie Kreo.

Another view of the bar, showcasing the recycled-glass bar top. Designer Chris Duffy made the bar tables against the wall.

Samsung developed its Club des Chefs line of kitchen appliances with input from Michelin star-rated chefs.

Peridis turned a small room that wasn't quite big enough for a guest into a chair showcase, which includes the Chubby chair by Dirk Vander Kooij and the leaning 8.5 by Rasmus Baekkel Fex.

The blocky Preston Club is a a resin chair with castors and plush Italian leather cushions. The best part? Interior illumination is available upon request.

Reading Club 2000 in Manila, Philippines-Reading Club 2000 began when Hernando Guanlao—known to friends and neighbors as Nanie—sought out a way to honor the memory of his parents, who instilled in him the love for reading. He set old textbooks of his own outside his Manila home to see if others would be interested in borrowing them. They were. 12 years later, Nanie's library now contains somewhere around 2,500 books (he doesn't know the exact count), and he even runs a "book bike" service, where he delivers reading material to the poorest communities in Manila. Photo: Ms. Ma. Patricia Nabong

Jensen-Lewis’ Clubber offers a retro feel and a quick conversion. The barely-there chrome legs present a nice alternative to the heftier sofa beds of yore.

Ronald Ndoro wants to “create a home for the vibrant literary community” with LIBRARY, a members-only club. The entryway features marble Bust Chairs by Tomas Libertiny and a table by Jaime Hayon for Se London.

by Schacht Aslani Architects

The open dining space accommodates groups such as Fashandi’s book club with ease.