Dylan Dreyer travels to the lowlands of tropical Vietnam to find yellow-cheeked gibbons; meets a rare species of primates once thought to be extinct, the Hatinh langur; and visits the Son Tra primary forest, home to the red-shanked douc.

Dylan Dreyer travels the mysterious Hebrides archipelago off the coast of Scotland, known as Europe's Last Wilderness, to find one of the largest gatherings of grey seals on the planet, red deer and signs of ancient man.

Dylan Dreyer travels to the volcanic Galapagos Islands to follow 19th-century botanist Charles Darwin's trail when he studied the evolution of the islands' plants and animals; she also meets the only lizard in the world that has learned to fish.

Dylan Dreyer explores the hidden oasis of Yunnan in southwest China to visit one of Asia's biggest monkeys; she also treks to the top of the Hengduan Mountains to meet primates that inspired the legend of the Abominable Snowman.

Dylan Dreyer visits hidden parts of the Caribbean Islands where giant sea turtles lay their eggs; Dominica's boiling thermal lakes; Trinidad's deep scarlet birds; catching up with hummingbirds.

Rock climbing with Turkey's Anatolian wild goats; Turkey's brown bear copes with its hostile environment; Lake Yay's bright pink greater flamingos fish for shrimp in salty waters; leatherback turtles make their way to Turkey's wild coast.

In Sri Lanka, elephants use the Minneriya tank to their advantage; Yala National Park's spotted deer adapt their bodies and behavior to the tempestuous Sri Lankan climate; gray langurs warn of predators like the ferocious Sri Lankan leopard.

At Cambodia's Tonlé Sap, the Asian elephant shows how it uses water to survive; macaques conquer the ruins of the Khmer's Angkor; black-shanked doucs swing branch-to-branch.

Dylan Dreyer tours the Western Ghats of India, where lion-tailed macaques enjoy jackfruit; a Malabar giant squirrel enjoys the forest's bounty; cobras battle it out for domination; and a Draco lizard attracts the attention of a vine snake.

Dylan Dreyer tours the Falkland Islands, where the king penguin takes care of its eggs; sea lions care for their young pups; rockhopper penguins make their way through ancient paths; and gentoo penguins show off their speed and unique feeding method.

Dylan Dreyer explores the brilliance of Cambodia's macaques; the hunting skills of cormorants and the compassion of elephants in China; the way Galapagos' iguanas have adapted to their environment; and Turkey's Anatolian goats expertly climb cliffs.

Dylan Dreyer visits India's self-cleaning Ganges River, which helps populations thrive; Himalayan blue sheep and snow leopards show their climbing skills; the Indian rhino offers a glimpse of its lifestyle.

Dylan Dreyer explores the motherhood experience for nurturing gibbons and langurs on the Indochinese peninsula, leatherback sea turtles in the Caribbean, macaques in India and China, elephants in Sri Lanka and sea lions in the Galapagos.

Dylan Dreyer revisits the Caribbean, where Antillean iguanas, Abolo lizards and more show off their genius for adaptation; ancient volcanoes create fumaroles; polyps form coral reefs; four-eyed fish and spectacled caimans thrive in the Caroni Swamp.

Dylan Dreyer revisits the diverse landscape of Turkey, where spur-thighed tortoises come out of hibernation; fairy chimneys in Cappadocia provide homes for wild pigeons; sheep thrive in the Anatolian Plateau; Nile turtles dominate the Dalyan Delta.

Dylan Dreyer visits the beautiful, wildlife diverse Galapagos Islands; Isabela Island houses the flightless cormorant; lava lizards and greater flamingos show off; lava cactus and marine iguanas on Fernandina; frigate-birds thrive on North Seymour.

Dylan Dreyer explores the lives of the most powerful and elusive creatures on Earth, including moon bears in Cambodia, snub-nosed monkeys in China, king cobras and tigers in the Ghats, wolves in Turkey, gannets in the Hebrides, and Sri Lankan leopards.