Clambering down some very icy cliffs that ended in shallow water was pretty dangerous... but there was a mysterious thing down in this gorge. An intriguing structure had been built into the cliff next to a pounding waterfall; the deterioration of the old stonework had almost blended it into the surrounding rock. Gaping holes decorated the rough surface in arched rectangles and ovals that were once windows. The steely gray day made a great opportunity for a few quick infrared photos...