The new 1 World Trade Center building is only 1,335 feet tall from the ground to the roof, making 432 Park Ave the second tallest building in the U.S., behind the Willis Tower in Chicago.

above the height of the IDS Center’s main roof. “Everybody assumes IDS is the tallest building,” Mack said. “But if you think about it, it really isn’t.” When Philip Johnson landed the IDS Center ...