Coming Home, pt. 3

    He kept his eyes fixed on the slowly growing dark spot. It was larger than he'd thought. As he came within a hundred strides of it, he realized that it was some sort of structure unlike any he'd ever seen. A square slab of gray stone stood 30 feet from end to end and twice the height of a man. As he stumbled into the cooling shade it provided, he looked in amazement at the stonework. It must have been carved from a mountain, he thought. To his right, a metal door was set into the stone with no obvious means of opening it.