A river (the Niagara River) which moves from Lake Erie, over Niagara Falls into Lake Ontario; the geographic area of the United States and Canada in distance for this lake.
A town in New York state.
A large waterfall regarding Niagara River near Buffalo remarkable for amount and constancy for the water-flowing on it. That area of the waterfall in Canada could be the Horseshoe Falls; the U. S. part is named the American Falls.
A river flowing from Lake Erie into Lake Ontario, which forms the boundary between Ontario and nyc.