Suddenly, beyond a dark pit that seemed to reach down into the very bowels of the earth, rose an abrupt plateau—and on one of its nearer elevations, almost directly under then, loomed a monumental four-sided mound.
“Say—hold on!” called Larry. “Look at that, Professor! Isn’t that a building of some kind?”
Martin Stevens looked up, glanced skeptically toward the panel. But one glimpse at what that central square revealed, and his skepticism vanished.
“A building?” he cried in triumph. “A building indeed! It is a pyramid, young man!”
“Good Lord!”
“Oh, daddy! Really?”
“Beyond a doubt! And look—there are two other similar structures, only smaller!”
Struggling for calm, he turned to Captain Petersen, who had taken his eyes from the forward square and was peering down as well upon those singular mounds.
“Stop! Descend!” was his exultant command. “This is my proof! We have discovered Antillia!”