Peace_Tower_Clock_and_Obs_Deck Published September 11, 2018 at × in 12 things you didn’t know about the Peace Tower in Ottawa ← Previous Next → The windows of the observation deck are visible directly below the clock face. Two gargoyles protrude below the observation deck. (Photo: John Talbot from Ottawa, Canada (Peace Tower Clock), CC BY 2.0 , Wikimedia Commons.)