For visitors riding along HWY 111 West about four miles outside of downtown Palm Springs, they may notice a rock feature that appears out of place. Shiprock gained its name from its uncanny resemblance to a Spanish galleon. Shiprock formed at the bottom of a prehistoric tropical sea over 250 million years ago. Layers of silt and decaying sea organisms were compressed, heated, and slowly moved northward for thousands of miles along the west side of the San Andreas Fault. During this process, the rock was uplifted, tilted, and exposed…