Update (Monday, 1:10 a.m. PT): The answer to Sunday's challenge -- which 39 people got right -- is "Treehouse," by architect Frank Gehry, in Venice, Calif. Thanks to everyone who played, and to all, please come back for Monday'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 … Read more