This video shows the lake and waterfall landscape of Jiuzhaigou Valley, Sichuan, China, where clear turquoise lakes are ...

Waterfalls form through various geological processes, but they all involve water flowing over a sudden drop in elevation. Understanding why these drops exist in the first place reveals how landscapes ...

Powerful though waterfalls may appear, there is a long-standing assumption that they can only form when permitted by other natural forces. Waterfalls are furious cascades of water, sometimes scoring ...