Patrick Aryee travels to the Americas, where the first canines evolved more than 30 million years ago; he meets super-furry foxes, comes face to face with a pack of wolves and tracks down the tallest wild dog on the planet.

Patrick Aryee meets the fastest, strongest and most unusual looking domestic dogs on the planet, all descended from the wild gray wolf; he meets the speedy Saluki in the deserts of the Middle East before heading north on a dog-sledding adventure.

Patrick Aryee goes to Asia and Africa, following the canine's centuries-long journey across continents; he studies examples of canine cunning, from red foxes to raccoon dogs.

"Amazing Monkeys" tells the story of the evolution of primates, taking a look at the various branches of the primate family tree. Biologist Patrick Aryee travels to locations in Asia, Africa, Central America and South America to get close to some of the world's most charismatic and mischievous monkeys. In addition to the intimate encounters, the show uses wildlife photography, field demonstrations and CGI animations to tell the narrative of the primates, which include four monkey dynasties -- prosimians, Old World monkeys, New World monkeys and apes.

With a unique ability to see the world through their eyes, renowned dog behavior expert Cesar Millan rehabilitates all manner of troubled canines in this popular reality series, and often that involves Millan not only teaching dogs new tricks but also training their owners how to achieve a balanced relationship with their pets.

Evidence suggests that species thought to be extinct are still very much alive, and wildlife biologist Forrest Galante ventures from the Florida Everglades to remote jungles in a search for the truth. Galante explores actual stories behind these creatures' purported demise and, using evidence like eyewitness accounts and last known photos, tries to prove their existence so he can protect them and help them thrive again. In Zanzibar, Forrest reveals species that have never before been filmed and captures evidence that leads to an unforgettable conclusion. Elsewhere, the investigation takes him to Taiwan for the Formosan clouded leopard, the frozen tundra of Newfoundland for the Newfoundland white wolf, and to the island of Madagascar to look for any trace of the giant Pachylemur.

David Attenborough journeys across the polar regions of our planet.

Australia is notable as the only country that is also a continent, but details of the Land Down Under aren't necessarily as well known as other areas around the world. This miniseries delves into some of the various species of animals that call Australia home. The cassowary, tree-kangaroo, dingo (keep an eye on your babies), echidna and platypus are among the creatures profiled on "Wild Australia," which also looks at the varied environments where the wildlife lives.

In the eyes of Matt Simmons and Lorin Lindner, wolves are a misunderstood, majestic animal. They also are mysterious, intelligent, protective and loyal, but because poachers, illegal breeders and other perils threaten their lives, Matt and Lorin come to the rescue. The husband and wife team -- he a U.S. Navy veteran, she a clinical psychologist and public health educator -- run the Lockwood Animal Rescue Center in California. The series spotlights the center's mission: to offer a therapeutic work environment for returning combat veterans and a forever home to wolves, wolfdogs, coyotes, horses, parrots and other animals. For Matt, Lorin and the team, every mission is critical -- from perilous wolf rescues, to investigations into underground fur farms -- and they all provide opportunities for combat veterans to heal and find their place in civilian society.

The human senses are pretty incredible, but people only see, hear and smell a tiny fraction of what's out there; there is a hidden world that animals across the globe can experience.

There appears to be dramatic evidence that some of the world's most iconic rivers are in declining health. Biologist, extreme angler and Animal Planet favorite Jeremy Wade ("River Monsters") investigates the disappearance of freshwater giants from the planet's largest waterways. He talks with people who live along the Amazon, the Ganges, the Yangtze, the Mississippi, the Danube and the Zambezi to understand how exploitation and pollution have degraded these rivers that were once home to his beloved monster fish. By gathering evidence, Jeremy learns about the rivers' health and sustainability and what is being done to save them.