Inside An Architect’s Retro Treetop Home | Unique Spaces | Architectural Digest , Today AD brings you to Lake Oswego in Oregon to visit a one-of-a-kind home designed and lived in by architect Robert Oshatz. Sitting majestically upon land that was once classified as unbuildable, The Elk Rock Residence was designed in the late 1980’s – and has been Oshatz’s home ever since. With dramatic lines soaring outward from a tree-filled cliffside and stunning unobstructed views on each floor, come inside for an in-depth look at the process and philosophy behind this truly unique space. Lifestyle