Famous Landmarks. Niagara Falls, Canada and United States. 30 million people visit Niagara Falls every year. The Niagara Falls are made up of 3 waterfalls, the American Falls, the bridal veil falls and the Horseshoe falls, You are almost always guaranteed to see a rainbow if you’re on the Canadian side of the falls. to capture this beautiful phenomenon be sure to grab you’re camera and visit from about noon to sunset. Niagara Falls wears its way back approximately 1 foot / year through erosion. They are 12.000 years old, scientists expect them to last at least another 50.000 years. The 20th Century Fox Movie, Niagara starring Marilyn Monroe was filmed in Niagara Falls, Ontario in 1952. Like, Share and Subscribe. Thanks.