Ominous bubbling and boiling in the "Devil's Punch Bowl," Yellowstone Park, U.S.A.
This is one of the famous landmarks of the Upper Geyser Basin. This spring does not spout, but keeps up an incessant boiling just as you see it now; overflowing its basin most of the time, the water is the bluest of blues and that beautifully shaped rim, 18 inches high, apparently sculptured into elaborately complicated shapes, shows all sorts of gorgeous colors, like an enamel setting for a jewel--red, burnt orange, sulphur yellow, olive green, every sort of brown and citron hue. Streaks of the same color extend out on these crusty masses of geyserite surrounding the rim. The level stretches ...
(For more, see "View full record.")