The largest waterfall in the world is the Denmark Strait Cataract.
It is approximately 300 miles wide [480KM]; 11,500 feet tall; and 175 million cubic feet of water per second.
Read more:
https://oceanservice.noaa.gov/facts/largest-waterfall.html
Some other impressive waterfalls:
Angel Falls [Venezuela] is 3,212 feet tall
Inga Falls [Congo] has a large volume at 25,768 cubic meters per second
Chutes de Khone [Laos] spans 10,783 meters
Mosi-oa-Tunya [“The Smoke That Thunders”]; Victoria Falls 17,000 meters / 5604 feet wide & 108 meters / 354 feet tall.
Niagra Falls –2 sections
Horseshoe Falls 188 feet (57 meters) high and 2,200 feet (670 meters) wide.
American Falls 190 feet (58 meters) high and 1,060 feet (320 meters) wide.
Health Benefits of Waterfalls:
Waterscapes for Promoting Mental Health in the General Population – PMC
Physiological and Psychological Responses of Viewing a Waterfall Image: A Crossover Study – PMC
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