Plaza: 714 / Has been the tallest building in Denver and Colorado since 1984. Tallest building in the Mountain States. Tallest building constructed in Denver in the 1980s. Paula Zahn, biography - Affair, Divorce, Ethnicity, Nationality, Salary, Net Worth, Height, who is, paula Zahn? Paula Zahn is an American journalist and newscaster. 5 things to binge-watch She has worked as an anchor at ABC News, CBS News, Fox News, and CNN. Currently, she produces and hosts the true crime documentary series On the Case with. Paula Zahn which airs.