The heiress to a huge fortune thought the only thing that would save her was a never-ending project. In the end, the house won.
An abrupt change of plans could lead to architectural oddities like a flight of stairs leading straight into a wall. There are 40 staircases with a total of 376 steps; one staircase features 2-inch steps, to accommodate Sarah's dreadful arthritis.
By Amy Keyishian
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