Update (Monday, 8:30 p.m. PT): The answer to today's challenge -- which 75 people got right -- is part of Caltech's Owens Valley Radio Observatory, located outside of Big Pine, Calif. Thanks to everyone who played, and to all, please come back for Tuesday'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 … Read more