Photo of the day

Kaktovik, Barter Island, Alaska, USA: Two polar bear cubs snuggle up to their mom before nightfall. This image is from Die Trying.

Jigokudani, Japan: A young monkey covered in snow looks to see if her sister is close by. Family bonds are critical to snow monkeys. This image is from Wild Japan: Snow Monkeys.

At musk-ox at the Yukon Wildlife Preserve. This image is from Yukon Vet.

Yosemite National Park, California, USA: Alex Honnold karate chops a flattened hand into thin jams high above the base of Cascade Falls. This image is from Die Trying.

Frodo, a male chimpanzee, belongs to a family observed by Jane Goodall. This image is from Kingdom of the Apes.

The saltwater crocodile, also known as saltie, estuarine or Indo-Pacific crocodile, is the largest of all living reptiles, as well as the largest terrestrial and riparian predator in the world. The males of this species can reach sizes of up to 7 m (23 ft.) and weigh as much as 2,000 kg (4,400 lb.). Saltwater crocodiles are known for preying on humans. This image is from Wild Australia.

Tordrillo Range, Alaska, USA: Marty crossing the Tyrolean traverse. This image is from Ultimate Survivor Alaska.

Darvaza, Karakum Desert, Turkmenistan: A cameraman films George Kourounis as he prepares to enter the crater. This image is from Die Trying.