You don't need a ticket to a Celtics or Bruins game to visit the TD Garden. The Sports Museum encircles the pro arena and is best seen on a tour, which departs from the Level 2 ProShop. Exhibits honor New England's vibrant sports heritage, its athletes and its teams with art, memorabilia, video footage and interactive exhibits. Open M-F 10 am-4 pm, Sa-Su 11 am-4 pm, subject to change per events at the Garden. Admission: $6-12, ages 10 and under free.