The Bonanza Opal Mine is renowned for its fire opals. Since the early 1900s, the Virgin Valley has had a reputation for producing unique, world-class precious gemstones. At Bonanza, you can dig for opals amidst the rugged beauty of the Virgin Valley in northern Nevada. Opal digging is a great family event, or just fun on your own. Besides opal digging, the mine is surrounded by fantastic high-desert landscape and wildlife, with plenty to do and explorefor the outdoor enthusiast, rockhound, and adventurer. As featured on the Travel Channel’s “Cash & Treasures” program, the mine is open for tailings digging from Memorial Day through September.