The Kansas City Chiefs are playoff-bound, but no matter how the team performs in that arena, its fans can rest assured of one thing: Someone in the front office has an excellent eye for team-appropriate Christmas-tree ornamentation.

With the holiday season upon us—and the playoffs right round the corner—The Wall Street Journal contacted all 32 of the NFL's teams and asked them to send photos of the Christmas trees located at their facilities. All but three teams submitted entries. And since this is the NFL, there has to be...