Niagara Falls
Many people might argue that Niagara Falls is in Canada. What many might not know is that it is a mixture of 3 waterfalls. 2 of which are in America and 1 in Canada. It has also been referred to as the Heaven on Earth. All these things make it a sure shot and the best inclusion in the list of the amazing waterfalls not only in the United States but also in the world.
