Which geographical feature is a famous landmark in Canada, known for its stunning waterfalls?

Niagara Falls is a renowned landmark in Canada, celebrated for its breathtaking waterfalls that attract millions of visitors each year. The falls are located on the border between Ontario, Canada, and New York, USA, and consist of three distinct waterfalls: Horseshoe Falls, American Falls, and Bridal Veil Falls. The sheer volume and force of the water, along with the picturesque views, make Niagara Falls a significant tourist attraction and a symbol of natural beauty.

The other geographical features listed, such as the Rocky Mountains, the St. Lawrence River, and the Great Lakes, are also significant in their own rights but do not primarily represent a stunning waterfall experience. The Rocky Mountains are known for their majestic mountain ranges and outdoor recreational opportunities, the St. Lawrence River is vital for trade and transport, and the Great Lakes are famous for being the largest group of freshwater lakes in the world. However, none of these features are characterized specifically by waterfalls in the way that Niagara Falls is.