Seeing 90 Miles--or 1,500 Feet Down. The revolving restaurant in the Sky Pod of the CN Tower is 1,150 feet up, and offers a view of Niagara Falls on a clear day--but 350 feet higher is the Space Deck (above) from which you can see for 90 miles, an addition of 15. Work men are finishing the Space Deck, with its floor-to-ceiling inclined windows that will let visitors look straight down -- 1,150 feet. It will be the highest public observation gallery in the world, with an elevator from the Sky Pod