November 13, 2021 - December 4, 2021 The Angel Tree at Willowbrook Mall Willowbrook Mall 1631 4th St SW, Mason City The Angel Tree at Willowbrook Mall. Helping all children in north Iowa have a Merry Christmas. Select a name off the tree at Willowbrook Mall in Mason City, purchase a gift the that child, then return to Browns Shoes in a Holiday bag.