Rare New York castle-style home with city skyline views is listing for the first time in decades

You can be the king of the hill — in the Kingsbury-Curtis House. In Tuxedo Park, New York, this sprawling 9,000-square-foot castle-like home that’s perched on 15 private acres, is up for grabs after more than 20 years, The Post has learned. It’s asking $6.2 million.  Indeed perched atop a hill, the grand estate offers…