BRAVE the walk across the CN Tower"s glass floor, suspended 1,122 feet above the ground.MINGLE with the locals and pick up some great food at St Lawrence Market, Toronto"s favourite farmers market.DISCOVER secret passageways, a library, ballroom and gardens at Casa Loma, Toronto"s only castle.ESCAPE the city and explore the fascinating Niagara region with its dramatic falls and lovely small town, Niagara-on-the-Lake.