Blanchard Springs Caverns in the Ozark National Forest is home to the largest documented flowstone in North America. This colossal sheet of mineral deposits was created over thousands of years as water carried dissolved minerals into the cavern, leaving behind layers of glistening stone. Spanning an impressive area, the flowstone is a centerpiece of the caverns, showcasing the stunning beauty and scale of underground geological processes. Visitors can marvel at this natural wonder on guided tours through the breathtaking Blanchard Springs Caverns.