Brandy McDonnell The first of a three-part PBS documentary series featuring native Oklahoman and renowned National Geographic photographer Joel Sartore premieres at 8 tonight on OETA-HD. “Rare: Creatures of the Photo Ark" explores Sartore’s Photo Ark initiative as he travels to photograph some of the most endangered and rarest creatures left in the wild, in zoos and in nature preserves around the world.Read more on NewsOK.com