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

Tourists were injured when a column of icicles broke off ... the waterfall freezes, with visitors hiking to the beauty spot to admire the icicles. An icicle is a spike of ice formed when water ...

The waterfall happens as a result of a switch in water supply that feeds Valley canals, typically from the Salt River in the spring and from the Verde River in the fall, according to Patty Garcia ...