Located on the site of the original Sears Tower, the historic Sears, Roebuck and Company catalog plant is one of the nation's most unique landmarks. Representing American ingenuity at its best, Richard Sears and Julius Rosenwald combined technology, commerce, and social science with bricks and mortar to build "the World's Largest Store" on Chicago's West Side. Completed in 1906, the plant housed nearly every conceivable product of the time: clothing, jewelry, furniture, appliances, tools, and more. The complex employed 20,000 people, and merchandise orders were processed and delivered by...