The "Maid of the Mist" boat ventures at the bottom of the Horseshoe Falls, Canadian side, at Niagara Falls, Ontario, Canada, August 21, 2015. Starting as a ferry boat for supplies in 1846 as a steamwheeler, the current fleet of the Maid of the Mists are made of steel, diesel powered, and carry thousands of tourists at the base of the Niagara Falls annually. Picture taken August 21, 2015. REUTERS/Charles Platiau