The term 'FALLS ON US/CANADA BORDER' is referring to the NIAGARA Falls, which is a set of three waterfalls located on the border between the United States and Canada. The largest of the three waterfalls is the Horseshoe Falls, which is located on the Canadian side of the border. The other two waterfalls are the American Falls and the Bridal Veil Falls, which are both located on the American side of the border.