A giraffe eats during Boo at the Zoo event Saturday, Oct. 26, 2024, at the Lehigh Valley Zoo in North Whitehall Township. This is the final weekend for the trick-or-treat event.

MADISON (WKOW) -- Trick-or-treating started early at Henry Vilas Zoo with the annual "Boo at the Zoo" event on Sunday. Thousands of people got all dressed up for candy, face painting, train and ...