Natesh Vallury , Edge of the World (June theme: The Great Outdoors)

This image captures the overwhelming sense of scale that defines the Grand Canyon—one of Earth's most dramatic natural landscapes. With its vast, multi-layered rock formations stretching across the horizon, the canyon presents a geological cross-section of deep time, revealing nearly two billion years of Earth's history.

Images have been resized for web display, which may cause some loss of image quality. Note: Original high-resolution images are used for judging.