Although Chicago is primed to reclaim the title of possessing the tallest North American skyscraper and has recently unveiled, according to the New York Times, “perhaps the most aggressive plan of any major American city” to change building codes to promote energy efficiency, all is not necessarily good along the Lakefront: That is the sinking feeling you get when scrolling through the Chicago Tribune‘s slideshow of “significant historical buildings that are in danger of demolition or substantial alteration” — the list, compiled by the non-profit preservation group Landmarks Illinois, includes works by such towering figures as Bertrand Goldberg and Frank Lloyd Wright. Click here for more from the Trib, and here for a link to the Chicago Architecture Foundation.