NATURE visits Big Bend: The Wild Frontier of Texas. Meet the wildlife that exists in the arid and rugged environment along the Rio Grande’s Big Bend in the southwest of the state – including the Texas horned lizard, rattlesnakes, scorpions, black bears and bighorn sheep.

Travel to the mountains of Chile to discover the secrets of the puma, the area’s biggest and most elusive predator. Discover how this mountain lion survives and follow the dramatic fate of a puma mother and her cubs.

In the second and final part of NATURE's miniseries "The Alps," experience the hostile and bitter cold ecosystems of the Alps, shaped by snow blizzards and avalanches.

Some 30 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA. But what happens once the sample is in the hands of testing companies? This program explores the power of genetic data to reveal family connections, ancestry, health risks and even solve criminal cold cases.

This two-part series on the majestic mountain range that connects eight countries in Europe, spanning 750 miles with peaks rising higher than 12,000 feet. Discover how Alpine lynx, golden eagles, ibex, griffon vultures and other wildlife face extreme seasonal fluctuations, from the volatile thunderstorms and landslides of summer to the avalanches and frozen temperatures of winter.

Despite the odds, there are countless stories of the most unlikely cross-species relationships imaginable: a goat guiding a blind horse; a doe who regularly visits her Great Dane surrogate mother; a juvenile gibbon choosing to live with a family of capuchins, and so on. Instincts gone awry? The subject has mystified scientists for years. Now, NATURE investigates why animals form these special bonds. Informed by the observations of caregivers and noted scientists Temple Grandin and Marc Bekoff, the film explores what these relationships suggest about the nature of animal emotions.

Get an intimate look at the wildlife of Lapland, a region in northern Finland, the fabled home of Santa Claus and actual home of reindeer, wolverines, eagles, wolves, brown bears and more.

Primates are called the highest order of animal on the planet. With their big brains, they are smart and adaptable; they use tools, self-medicate, hunt and swim. They are social and political, form hierarchies and friendships and can be very mischievous. Get to know the many species of primates, from the familiar chimpanzee and gorilla, to the more obscure species like the slow loris and the tarsier. This is the third program in a three-part miniseries

Primates are called the highest order of animal on the planet. With their big brains, they are smart and adaptable; they use tools, self-medicate, hunt and swim. They are social and political, form hierarchies and friendships and can be very mischievous. Get to know the many species of primates, from the familiar chimpanzee and gorilla, to the more obscure species like the slow loris and the tarsier. This is the second program in a three-part miniseries

Primates are called the highest order of animal on the planet. With their big brains, they are smart and adaptable; they use tools, self-medicate, hunt and swim. They are social and political, form hierarchies and friendships and can be very mischievous. Get to know the many species of primates, from the familiar chimpanzee and gorilla, to the more obscure species like the slow loris and the tarsier. This is the first program in a three-part miniseries