Extras
Lions, leopards and cheetahs are threatened across their ranges. But they're thriving in Okavango.
Experience San Diego, where dazzling biodiversity thrives amidst a transformed urban landscape.
Ridley intensifies his investigation to discover what happened to Tara Dunning.
In the Okavango Delta, all three of these big cats are taking advantage of an aerial position.
Discover the wildlife of Transylvania, a mysterious region hiding some of Europe’s last wilderness.
Ridley investigates when Tara Dunning, beloved wife and mother, vanishes from her tranquil village.
In Congo, filmmaker Vianet Djenguet comes face to face with the forest’s largest gorilla.
Cameraman Vianet Djenguet captures the face of the forest's 500-pound silverback.
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Latest Episodes
Join John Leguizamo as he learns how Latinos have shaped modern America.
Explore how Latino DNA has shaped the identity of the U.S. since before her inception.
Join John Leguizamo as he examines the ancient civilizations of pre-Columbian America.