XV. THE EAGLE’S NEST On the morrow, when I awoke after a sound sleep, our vehicle seemed motionless. It seemed to me evident that we were not running upon land. Yet neither were we rushing through or beneath the waters; nor yet soaring across the sky. Had the inventor regained that mysterious hiding-place of his, where no human being had ever set foot before him? And now, since he had not disembarrassed himself of my presence, was his secret about to be revealed to me? It seemed astonishing that I had slept so profoundly during most of our voyage through