Niagara Falls from Above
Here's a wide shot from the helicopter ride. The boats you see are the "Maid[s] of the Mist," boats that take you into the heart of the falls. You can see one in the maelstrom at the top right of the photo.
Aerial Photo of Horseshoe Falls (at Niagara Falls)
Aerial Photo of Niagara Falls (American Falls)
Aerial Photo of Niagara Falls (Horseshoe and American)
Picture of Niagara Falls (American Falls) with Rainbow
Picture of a Rainbow over Niagara Falls
Picture of the edge of Niagara Falls (with a Rainbow!)