Station GM speaks out as landmark application filed for Denver7 building BusinessDen file) Tom’s Diner. The Olinger Moore Howard Chapel. Carmen Court. And now, the city’s debate over preservation and private property rights turns to the five-story Brutalist-style office building used by television station Denver7 on the corner of Speer Boulevard and Lincoln Street. Last week, three Denver residents submitted a landmark application, asking the city to give the structure a designation that would effectively prevent it from being demolished. The trio — retired attorneys Bradley Cameron and Michael Henry, along with architect David Lynn Wise — had signaled last month they were likely to do so.