A quaint structure nestled among towering trees at Tilden Regional Park, hinting at stories of past industrial ventures. Full Description: Captured on a serene April afternoon, this intriguing scene depicts an old mining shack labeled Diamondback Mining Smelting Co. It stands quietly by a set of narrow railway tracks, surrounded by lush vegetation in Tilden Regional Park, Orinda, California. The scene evokes a sense of rustic charm, blending architecture and nature harmoniously. Once a bustling hub for transportation and industry, the area now serves as a tranquil reminder of the past, inviting exploration and reflection in the heart of the forest.