Anna Kane, 5, of Alton, Ill. lays down on The view from Chicago’s Sears Tower just got more vivid. Starting tomorrow, visitors can step into glass enclosures that extend 4 feet out from the building’s 103rd floor and see all 1,353 feet straight down, the Tribune reports. Designed by the original architects of the soon-to-be-renamed Willis Tower, the Ledge has three layers of thick glass that weigh 1,500 pounds.