National GeographicNat Geo Wild
  • California:  Alcatraz Prison. This image is from Drain Alcatraz. [Photo of the day - December 2017]
    California: Alcatraz Prison. This image is from Drain Alcatraz.
    Northern Sky Entertainment/Crispin Sadler
  • Titanic in Belfast. This image is from Titanic's Fatal Fire. [Photo of the day - December 2017]
    Titanic in Belfast. This image is from Titanic's Fatal Fire.
    Steve Raffled
  • Yukon Territory, Canada:  Sheep at Honey Hill Farm. This image is from Dr. Oakley: Yukon Vet. [Photo of the day - December 2017]
    Yukon Territory, Canada: Sheep at Honey Hill Farm. This image is from Dr. Oakley: Yukon Vet.
    Lucky Dog Films/Mark Hendon
  • Dian Fossey plays with two young mountain gorillas in the wild. This image is from Dian Fossey:... [Photo of the day - December 2017]
    Dian Fossey plays with two young mountain gorillas in the wild. This image is from Dian Fossey: Secrets in the Mist.
    ROBERT I.M. CAMPBELL
  • Northern Territory, Australia:  Jono takes a moment to watch the setting sun. This image is from... [Photo of the day - December 2017]
    Northern Territory, Australia: Jono takes a moment to watch the setting sun. This image is from Monster Croc Wrangler.
    National Geographic/Daniel Walkington