Valles Marineris Mosaic (IMAGE) Arizona State University Caption Valles Marineris, the "Grand Canyon of Mars," sprawls wide enough to reach from Los Angeles nearly to New York City, if it were located on Earth. The red outline box shows the location of the second, full-resolution image. Credit NASA/JPL/Arizona State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.