VICTORIA FALLS is a World Heritage Site and one of the Seven Natural Wonders Of The World. Locals call it 'Masi-oa-Tunya', The Smoke That Thunders. It is the largest curtain of water in the world at 1,700 meters in width and drops into the Zambezi Gorge. It is 100 meters in height. Two locations noted for their frequent moon bow observations are Africa's Victoria falls and Kentucky's Cumberland Falls.