The 15-story display in the shape of a Christmas tree has been hard to miss ... be lit every night at 6 p.m. through Jan. 2. While 3M's tree needs no watering, it does require some maintenance.

Each holiday season, 3M lights the windows into the shape of a tree. "I travel the 94 corridor several times a week, and during the holidays, I just love seeing that tree," said Holly Wetzel.

For more than 30 years, the company has turned on lights in offices in the 14-story 3M Center to form the shape of a Christmas tree. The huge image dominates the view of nighttime drivers on ...

LIVE today: the #Swarovski star designed by @DanielLibeskind being raised atop the @rockcenternyc Christmas Tree. This mesmerizing ... benefits app passes 3M downloads June 6 (UPI) -- The ...