Some interiors have left their marks on the history of modern design. These interiors were created by talented artists, designers, architects, tastemakers, often commissioned by those patrons possessing progressive taste, and the financial ability and desire to live in modern, artistic, and beautiful homes. These iconic interiors, created by key figures such as Eileen Grey, Josef Hoffmann, Pierre Chareau, Verner Panton, and T.H. Robsjohn-Gibbings, have become sources of stimulation for generations of designers. What makes them important, “fabulous,” unforgettable? What are the values that turn those interiors into significant commodities, not only in visual and aesthetic terms, but also as assets of historical and social value?