Niagara Falls is a series of waterfalls in the United States and in Canada. The Horseshoe Falls are in Canada, and the American Falls and Bridal Veil Falls are in the United States. Niagara means "Thunder of Waters" and this name was given to the falls because of the roaring noise the water makes. Many people come to visit the beautiful falls. Some have even tried crazy stunts like riding over the falls in a barrel!