How did a settlement founded in a swamp become one of the world's greatest metropolises in just 200 years? That's what happened to Chicago, and perhaps its success is best summed up in the words of Daniel Burnham, architect and city planner: " Let your watchword be order and your beacon beauty. Think big ."? Watch the "Windy City" change and grow before your eyes in dramatic photos of its renowned treasures, past and present. Among the famous sights...