In the book Horton Hears a Who by Dr. Seuss, Horton the Elephant discovers a speck of dust that turns out to be a tiny planet. He actually hears the voices of the tiny inhabitants of Who-ville, called Whos. To read more about this book, follow this link (click on these words) to the Wickipedia site.
Might we surmise that that speck of dust actually landed in the desert near Phoenix, Arizona? (click on the photo below to find out!)