NatGeo Wild

Travel to Vietnam's mountains to visit crocodile lizards, endangered pangolins and rare primates: the golden-headed langurs of Cat Ba Island.

At the top of our world lies the Arctic tundra, the tundra's bleak terrain is home to a fascinating array of animals, each of which has unique adaptations.

In the towering walls of Tanzania's Ngorongoro crater, the sisters of a lion pride clash with a hyena clan ruled by an all-powerful queen.

Under the rainforest canopy, two tiny insect queens build their empires. One through great sacrifice, the other through betrayal.

In the Congo Forest, a young bonobo must leave behind everything she knows to find her place in a world where friendship means survival.

Travel to Vietnam's mountains to visit crocodile lizards, endangered pangolins and rare primates: the golden-headed langurs of Cat Ba Island.

Travel to southern Vietnam's tropical habitats, home to gibbons and playful macaques, green sea turtles and Asian black bears.

From a polar bear struggling to hunt to an ice-proof caterpillar that takes more than a decade to pupate, the Arctic Islands are a proving ground for all its animals.