The breathtaking waters that cascade off of steep cliffs may be self-made productions. It was long thought that waterfalls needed an outside force to form — such as an earthquake, landslide or changes ...

A Faith Fitzpatrick, research hydrologist at the U.S. Geological Survey's Wisconsin Water Science Center: It basically takes four things to make a waterfall. The first one is, of course, water. Second ...

Niagara Falls is a geological wonder and one of the most famous waterfalls in the world. Straddling the border between the United States and Canada, it has been a popular tourist attraction for over ...

It basically takes four things to make a waterfall. The first one is, of course, water. Second, there needs to be a land surface that’s made out of different rock types or sediment. Third, that land ...