What may have been the world's tallest waterfall briefly formed on Greenland's ice sheet last year, draining a meltwater lake of 5 million cubic meters of water -- equivalent to 2,000 Olympic-sized ...

Waterfalls are furious cascades of water, sometimes scoring the landscapes in which they flow as they obey gravity’s demands. From Iceland’s shimmering Skógafoss to the family of falls in New ...

Rainbow Waterfall, or Waiānuenue, on Hawai'i's Big Island is a natural wonder formed by volcanic activity and the erosive power of the Wailuku River. Its name comes from frequent rainbows created by ...

Waterfalls form through various geological processes, but they all involve water flowing over a sudden drop in elevation.

Not every waterfall formed by chance or erosion. Some were designed intentionally to redirect water, manage landscapes, or solve practical problems. Over time, many of these engineered cascades ...