"Good Lord!" said Tonnison.

I was silent, and rather awed. The sight was so unexpectedly grand and
eerie; though this latter quality came more upon me later.

Presently, I looked up and across to the further side of the chasm.
There, I saw something towering up among the spray: it looked like a
fragment of a great ruin, and I touched Tonnison on the shoulder. He
glanced 'round, with a start, and I pointed toward the thing. His gaze
followed my finger, and his eyes lighted up with a sudden flash of
excitement, as the object came within his field of view.

"Come along," he shouted above the uproar. "We'll have a look at it.
There's something queer about this place; I feel it in my bones." And he
started off, 'round the edge of the craterlike abyss. As we neared this
new thing, I saw that I had not been mistaken in my first impression. It
was undoubtedly a portion of some ruined building; yet now I made out
that it was not built upon the edge of the chasm itself, as I had at
first supposed; but perched almost at the extreme end of a huge spur of
rock that jutted out some fifty or sixty feet over the abyss. In fact,
the jagged mass of ruin was literally suspended in midair.

Arriving opposite it, we walked out on to the projecting arm of rock,
and I must confess to having felt an intolerable sense of terror as I
looked down from that dizzy perch into the unknown depths below us--into
the deeps from which there rose ever the thunder of the falling water
and the shroud of rising spray.

Reaching the ruin, we clambered 'round it cautiously, and, on the
further side, came upon a mass of fallen stones and rubble. The ruin