(timeout.com)

A second floor, an open-air ledge and an attraction that would let visitors rappel from the 103rd story of the Sears Tower Skydeck are all included in a proposed $20 million renovation of the famous tourist spot. A recent report from Morningstar Credit Ratings obtained by Crain’s outlined the planned expansion of the Skydeck, which would be part of a more than $500 million renovation of the skyscraper. One of the more ambitious plans for the popular observatory is the installation of an enclosed, two-story glass structure, where daring visitors could rappel from the 103rd floor to the 102nd. If the idea of dangling from a rope more than 1,300 feet above the ground is a bit too extreme for you, a proposed Ledgewalk might be more your style. Visitors would be fitted with a safety harness and allowed to take a stroll on an outdoor glass ledge. (MORE HERE)