The word “Niagara” was derived from the Iroquois Indian word “Onguiaahra” meaning “The Strait”. Niagara falls is about 12,000 years old. Niagara Falls is the second largest falls in the world next to Victoria Falls in Southern Africa. The highest falls in the world is Angel Falls in Venezuela, which is 979 meters high. The reason why Niagara Falls is so spectacular is the combination of their height and volume. About 12 million Tourist visit each year. The volume of water going over the Horseshoe Falls is 2,271,240 L / Second. The water that flows over Niagara Falls comes from four of the great lakes: Superior, Michigan, Huron and Erie. Once the water flows over the Falls, it travels down the Niagara River to Lake Ontario, where it then flows into the St. Lawrence River and finally into the Atlantic Ocean ( "Niagara Falls" ).