Exterior, Wood Siding Material, and House Building Type For more than 70 years, claims have persisted, without much evidence, that a home in Portland, Oregon, is a lost work by Frank Lloyd Wright. Regardless of authorship, the structure—a flat-roofed, cedar and glass ranch—endures as a sterling example of postwar American  architecture. Its recessed entryway features panes of translucent glass.  Photo 1 of 12 in This House in Oregon Has a Long, Strange History of Being Called a Frank Lloyd Wright