Niagrara Falls

Niagara Falls is a World-famous waterfall. Lake Ontario and Lake Erie are on the sides of Niagara Falls. The Falls can be viewed by helicopter, land, or by boat. The Falls spills 186 feet over the bluff. Under the top of the limestone bluff is a layer of softer shale. The limestone breaks and Fall into the river when enough softer rocks is worn away.Niagara Falls  has moved  seven Miles  because  of the rocks wearing away. Niagara Falls volume of water spilling is about 150,000 u.s Gallons persecond.