Niagara Falls, straddling the border of the United States and Canada, remains one of the most famous and visited waterfalls in the world as of 2026. While it is not the tallest—that title belongs to Angel Falls in Venezuela at 979 meters—Niagara is renowned for its immense water volume and accessibility. Approximately 65.5 billion gallons of water flow over the falls daily, providing a massive source of hydroelectric power. Other top-tier contenders for "most famous" include Victoria Falls (the "Smoke that Thunders") on the border of Zambia and Zimbabwe, known as the world's largest curtain of falling water, and Iguazu Falls in South America, which consists of a staggering 275 individual drops arranged in a semi-circle, offering some of the most dramatic panoramic views in nature.