Long before The Donald co-opted the term "apprentice," people like Frank Lloyd Wright were training young architects to follow in his footsteps.
This 5,746-square-foot sophisticate in Riverwoods, Ill., is a one-of-a-kind home by Arthur Dennis Stevens, Wright's last and youngest apprentice. How big a deal is it? The roof beam structure is patented and it is the only double-story roof of this kind built by the architect, which in some architectural circles is akin to being the one who gets to work for Trump. The home is listed at $2,678,888.