The name Niagara comes from the Iroquois word Onguiaahra,which means thunder of waters.   
Niagara Falls is 176 feet deep. 
The water flows at approximately 35 mph. The fastest speed is at the bottom of the falls which flows at 68 mph.It is possibly the fastest waterfall in the world. The falls is 36 miles in length. The deepest section is just below the falls at 170 ft.
The water supply is from Lake Superior.  
It is one of the most beautiful waterfalls in the world.Its Known for having mass, volume, and height.

I hope to one day see this beautiful wonder of the world.