Top 5 Treyarch Zombie Maps

It's the perfect time of year to review the Top 5 zombie maps that Treyarch ever released to the public, with the new Call of Duty around the corner and yet another new zombies story-line about to begin. I wanted to go back to the very first game that ever had zombies, so welcome to the top 5 Treyarch zombies list going from World of War all the way up to Black ops 3!