The Quarter Mile 9.44K Richard Lawson 07/01/09 04:43PM Filed to: Pic Of The Day Pic Of The Day The ledge Sears Tower Gettypic Chris van allsburg The mysteries of harris burdick [Two visitors stand, looking like something out of a Chris Van Allsburg book, in the new Ledge observation deck, which juts out of the 103rd story of Chicago's Sears Tower. That's 1,353 feet up. Image via Getty]