Lost Minnesota

Believe it or not, Minnesota’s architectural landscape has included a house made from the fuselage of a B-29 bomber, a hotel that spent its final years as a chicken hatchery, a Civil War cemetery, a treehouse built and occupied year-round by an eccentric university professor, and a railway that once carried passengers up Duluth’s steep incline from Lake Superior. They are all gone now, along with countless houses, parks, bridges, theaters, sports stadiums, courthouses, and farm buildings in whic