The most "famous" waterfall in the world is typically a debate between Niagara Falls and Victoria Falls, depending on your location. Niagara Falls, straddling the border of the U.S. and Canada, is arguably the most visited and culturally recognizable due to its accessibility and massive flow rate (Horseshoe Falls is the most powerful in North America). However, in terms of sheer geographical "wonder," Victoria Falls (known as Mosi-oa-Tunya or "The Smoke that Thunders") on the border of Zambia and Zimbabwe is the world's largest sheet of falling water, measuring over a mile wide. Other famous contenders include Angel Falls in Venezuela, which is the world's highest uninterrupted waterfall at 3,212 feet, and Iguazu Falls on the Brazil-Argentina border, which is the largest waterfall system in the world with 275 individual drops. In 2026, these "Big Three" (Niagara, Victoria, Iguazu) remain the top bucket-list destinations for natural wonders, with Niagara being the most famous for "commercial" tourism and the others for "adventure" tourism.