It's a rare sight in Arizona. This is how you can see a human-made waterfall created by releasing excess water.

The falls spill down from an artificial dam that provides the city with water. It's a beautiful and ethereal spot, and you may even see frogs. The falls are always running, so even when it isn't ...

You can do this by building fish ladders. Fish ladders look like a series of small waterfalls alongside a dam. Salmon swim upstream, and they "jump" from one waterfall to the next, until they ...