The old Anaconda Copper Company smelter stack, completed in 1919, is one of the tallest free-standing brick structures in the world at 585 feet. The inside diameter is 75 feet at the bottom, tapering
Spectacular grey limestone cliffs and pink and white granite formations rise 1,200 feet above the canyon's narrow floor. Lost Creek Falls, in the northwest corner of the park, cascades over a 50-foot
