America's first superheroes lived in the Midwest. There was Nanabozho, the Ojibway man-god who conquered the King of Fish, took control of the North Wind, and inspired Longfellow's The Song of Hiawatha. Paul Bunyan, the larger-than-life North Woods lumberjack, created Minnesota's 10,000 lakes with his giant footsteps. More recently, Pittsburgh steelworker Joe Magerac squeezed out rails between his fingers, and Rosie the Riveter churned out the planes that won the world's most...
