LAKE BUENA VISTA, Fla. – Walt Disney World Resort blings in the holidays Nov. 10 with sparkling, jewel-like crystals adorning the iconic Cinderella Castle in Magic Kingdom – a glistening light-show spectacular signaling the beginning of Disney seasonal merriment. By late November, festivities will blanket the Vacation Kingdom as Epcot, Disney’s Hollywood Studios, Disney’s Animal Kingdom and Downtown Disney take the wrappings off their own Santa sleighfuls of yuletide gaiety.

But...