One of the most spectacular falls in the world, Niagara falls are one of the few things on this earth that one should see, they are very impressive and are on the Border between Ontario and New York State in the US. Niagara Falls are about 50 meters high, and is part of the Niagara river which drains Lake Erie into Lake Ontario. Niagara Falls drops about 160,000 cubic meters of water per minute, and are magnificent to watch.