RARE travels with renowned photographer Joel Sartore as he photographs at-risk and rare species in the wild, in zoos, in nature preserves and explores his Photo Ark initiative. This captivating and visually stunning special will reveal why ensuring species' futures matters to us all. RARE premieres Tuesday, July 18 at 9/8C on PBS. Photo credit: Chun-Wei Yi
Aired: 07/18/17Video has closed captioning.