Stone Animals is a short story by Kelly Link. You can read it online here. It begins,
Henry asked a question. He was joking.
“As a matter of fact,” the real estate agent snapped, “it is.”
It was not a question she had expected to be asked. She gave Henry a goofy, appeasing smile and yanked at the hem of the skirt of her pink linen suit, which seemed as if it might, at any moment, go rolling up her knees like a window shade. She was younger than Henry, and sold houses that she couldn’t afford to buy.
“It’s reflected in the asking price, of course,” she said. “Like you said.”
Henry stared at her. She blushed.
“I’ve never seen anything,” she said. “But there are stories. Not stories that I know. I just know there are stories. If you believe that sort of thing.”
“I don’t,” Henry said. When he looked over to see if Catherine had heard, she had her head up the tiled fireplace, as if she were trying it on, to see whether it fit. Catherine was six months pregnant. Nothing fit her except for Henry’s baseball caps, his sweatpants, his T-shirts. But she liked the fireplace.