It’s not just Eloise that makes the Plaza great for the kids, although she—and her merch—is still very much a bankable draw (as is afternoon tea in the Palm Court, ever a New York classic).

Inspired by the 1992 Christmas flick "Home Alone 2: Lost in New York," the Plaza Hotel offers a dining special that pays homage to the character's decadent dessert order. But the cost to your ...