The Cube House. Designed and built by Tom and Yumiko Virant of Virant Design.
A summer house is a single-storey house that only takes up a small portion of your yard, but can be used as a playroom for your kids, a home cinema, a garden shed, or even a gym. Description from pinterest.com. I searched for this on bing.com/images
Writer's Shed with a glowing cedar facade by Weston Surman & Deane
ICD ITKE Research Pavilion at the University of Stuttgart