Oliver Belmont loved horses so much that he shared his house with them. When planning his summer mansion in Newport, R.I., in 1891, the American socialite insisted that the first floor be devoted to stables, paneled in teak and heated with steam, with quarters for eight grooms. The family lived on the second floor.

That’s not all. Reportedly Belmont’s horses had morning clothes, afternoon clothes, and evening clothes; slept in white linen sheets; and had harness hooks made of sterling silver. Belmont couldn’t bear to part with two of his favorites even at their death, so he had them stuffed and mounted in a drawing room.

“It’s your client’s money you’re spending,” wrote architect Richard Morris Hunt. “If they want you to build a house upside down standing on its chimney, it’s up to you to do it, and still get the best possible results.”