Update (Saturday, 12:43 a.m. PT): The answer to Friday's challenge -- which 152 people got right -- is Kitt Peak National Observatory, near Tucson, Ariz. Thanks to everyone who played, and to all, please come back for Saturday's challenge.
Welcome to the Road Trip Picture of the Day contest. This is your chance to win some cool prizes as you test your skills at recognizing pictures.
Each day, I'll be posting a new photograph from my various travels, and your job is to try to correctly identify it using any means at your disposal. Throughout … Read more