Right in the middle of urban Phoenix, there's a little oasis.

The crash of waterfalls creates a sonic experience unfamiliar to the Sonoran Desert, but it's by no means unwelcome.

Arizona Falls transports visitors away from the Valley of the Sun's dry desert heat to an easier place to be.

In the summer, it's an especially magical transition -- this much has been known for more than a century.

PHOTOS: Walking through Arizona Falls