smothered the cypress trees. If you looked out through these areas, toward the ocean, all you saw was the black water, the gray of the cypress trunks, and the constant, motionless rain of moss flowing down. All you heard was the low moaning. The effect of this cannot be understood without being there. The beauty of it cannot be understood, either, and when you see beauty in desolation it changes something inside you. Desolation tries to colonize you.
As noted, we found the tower in a place just before the forest became waterlogged and then turned to salt marsh. This occurred on our fourth day after reaching base camp, by which time we had almost gotten our bearings. We did not expect to find anything there, based on both the maps that we brought with us and the water-stained, pine-dust-smeared documents our predecessors had left behind. But there it was, surrounded by a fringe of scrub grass, half-hidden by fallen moss off to the left of the trail: a circular block of some grayish stone seeming to mix cement and ground-up seashells. It measured roughly sixty feet in diameter, this circular block, and was raised from ground level by about eight inches. Nothing had been etched into or written on its surface that could in any way reveal its purpose or the identity of its makers. Starting at due north, a rectangular opening set into the surface of the block revealed stairs spiraling down into darkness. The entrance was obscured by the webs of banana spiders and debris from storms, but a cool draft came from below.
At first, only I saw it as a tower. I don’t know why the word tower came to me, given that it tunneled into the ground. I could as easily have considered it a bunker or a submerged building. Yet as soon as I saw the staircase, I remembered the lighthouse on the coast and had a sudden vision of the last expedition drifting off, one by one, and sometime thereafter the ground shifting in a uniform and preplanned way to leave the lighthouse standing where it had always been but depositing this underground part of it inland. I saw this in vast and intricate detail as we all stood there, and, looking back, I mark it as the first irrational thought I had once we had reached our destination.
“This is impossible,” said the surveyor, staring at her maps. The solid shade of late afternoon cast her in cool darkness and lent the words more urgency than they would have had otherwise. The sun was telling us that soon we’d have to use our flashlights to interrogate the impossible, although I’d have been perfectly happy doing it in the dark.
“And yet there it is,” I said. “Unless we are having a mass hallucination.”
“The architectural model is hard to identify,” the anthropologist said. “The materials are ambiguous, indicating local origin but not necessarily local construction. Without going inside, we will not know if it is primitive or modern, or something in between. I’m not sure I would want to guess at how old it is, either.”
We had no way to inform our superiors about this discovery. One rule for an expedition into Area X was that we were to attempt no outside contact, for fear of some irrevocable contamination. We also took little with us that matched our current level of technology. We had no cell or satellite phones, no computers, no camcorders, no complex measuring instruments except for those strange black boxes hanging from our belts. Our cameras required a makeshift darkroom. The absence of cell phones in particular made the real world seem very far away to the others, but I had always preferred to live without them. For weapons, we had knives, a locked container of antique handguns, and one assault rifle, this last a reluctant concession to current security standards.
It was expected simply that we would keep a record, like this one, in a journal, like this one: lightweight but nearly indestructible, with waterproof paper, a flexible black-and-white cover, and the blue horizontal lines for writing and the red line to the left to mark the margin. These journals would either return with us or be recovered by the next expedition. We had been cautioned to provide maximum context, so that anyone ignorant of Area X could understand our accounts. We had also been ordered not to share our journal entries with one another. Too much shared information could skew our observations,