Four eccentric but passionate investigators embark on one single-minded mission - to find the elusive Bigfoot. Watch as the team uncovers startling evidence of the mysterious and highly intelligent enigma both here and abroad.

Extreme angler Jeremy Wade is on the hunt for fish with a taste for human flesh. This rip-roaring ride mixes action and adventure with mysteries, edge-of-the-seat chase and a battle of wills between man and nature.

Witness the miracle of cute, from a kitten's first tentative steps, to a puppy's first call to the wild. The first few months of their lives are an adorable adventure. These furry friends are simply too loveable, too curious, too cute!

This is the most comprehensive dog encyclopedia on television. With over 800 dog breeds recognized worldwide, this series spotlights the adorable, the feisty and the unexpected.

Highlighting both the controversial whaling trade and the tactics that Sea Shepherd and its staff and volunteers use to attempt to cripple it, Whale Wars documents the group's three-month sojourn across the icy Antarctic waters at the far end of the globe.

Get to know all the details of our favorite feline breeds in this encyclopedic series on cats!

What happens to dogs long after they’ve been rescued by Tia and her team at Villalobos Rescue Center? While some end up getting adopted, others aren’t so lucky. Relive their harrowing stories of survival and see how they’re doing today as they wait for a forever home.

Monsters Inside Me retells the real-life, harrowing dramas of people infected by deadly parasites as doctors and scientists try to unravel each case before it's too late.

Watch the Whiskers Family -- Flower, Rocket Dog, Maybelline, and more -- fight to keep their clan together. While facing predators, harsh desert weather and their archenemies, the Commandos, these 'kats prove that the animal kingdom is, in fact, wild!

In New Hampshire, Conservation Officers of New Hampshire Fish and Game who work tirelessly to preserve and protect the natural resources of the Granite State. They are on call 24/7, responding to life and death situations in order to protect the public.

Four eccentric but passionate investigators embark on one single-minded mission - to find the elusive Bigfoot. Watch as the team uncovers startling evidence of the mysterious and highly intelligent enigma both here and abroad.

Extreme angler Jeremy Wade is on the hunt for fish with a taste for human flesh. This rip-roaring ride mixes action and adventure with mysteries, edge-of-the-seat chase and a battle of wills between man and nature.

There's no such thing as "a regular day" at Denver's Planned Pethood Plus veterinary clinic. For 80,000-plus clients and their pets, the clinic and its maverick vet Dr. Jeff Young represent one last hope, and possibly the difference, between life and death.

The Zoo takes audiences on a first-ever, in-depth look behind the scenes at the Bronx Zoo. With full access to its 265-acre campus, located just 10 miles from Times Square, we shine a light on a world of more than 6,000 animals and the 500-plus people who care for them.

Everything's bigger in Texas, including the job of Texas Game Wardens who protect the Lone Star State's natural resources and police its 27 million citizens. This elite force patrols and protects more than a quarter million square miles.

Witness the miracle of cute, from a kitten's first tentative steps, to a puppy's first call to the wild. The first few months of their lives are an adorable adventure. These furry friends are simply too loveable, too curious, too cute!

Highlighting both the controversial whaling trade and the tactics that Sea Shepherd and its staff and volunteers use to attempt to cripple it, Whale Wars documents the group's three-month sojourn across the icy Antarctic waters at the far end of the globe.

From the producers of The Zoo, new all-access series The Aquarium takes viewers behind the scenes at the largest aquarium in the Western Hemisphere - Atlanta's Georgia Aquarium.

This is the most comprehensive dog encyclopedia on television. With over 800 dog breeds recognized worldwide, this series spotlights the adorable, the feisty and the unexpected.

Follow Tia Torres, founder of Villalobos Rescue Center, and her family as they rehabilitate both felons and pit bulls who come together to rescue one another from their dim pasts, and bring new meaning to life.

We follow three vets and their families as they begin new lives and careers in Houston. It's a big move to a big state, but they dream big, and they're determined to make this work -- for their families, and for the animals of Houston.