Gus is a bulldog from Virginia that just loves to get in to trouble! Some of his exploits include popping birthday balloons and trying to move his outdoor kiddie pool indoors!

Get the inside story of the miners' journey through Greenland. Explore exclusive video, photos, maps and more.

What happens when a shark cage designed to keep you safe fails? Two divers in a submerged cage think find out when a great white gets a little nosy.

It's hippo vs. bull shark! Hippos are reported to kill more humans than any other animal in Africa. Bull sharks are blamed for more attacks on humans than any other species of shark. When a hungry bull shark hones in on a hippo for a meal, the st ...

Jeremy Wade hooks a giant bull shark in an African river. This is his biggest freshwater catch ever, and the longest fight of his life.

Historically bred to herd, the Belgian sheepdogs are all robust, eager to work and highly skilled at detection.

Border breeder and earthdog enthusiast, Marg Pough, has four young dogs learning how to hunt like their forebears. Except this time the quarry is a rodent. Two teenage Borders are training for AKC earthdog trials.

The Flattie takes its time to mature and always remains exuberant in spirit. Breeders and trainers love the breed's energy and keenness--but for first-time dog owners, these dogs may be difficult to train.

Sylvia Hammarstrom has bred more than a thousand champion Schnauzers in her career. They include all three breeds: miniatures, standards and giants. Her kennel is responsible for breeding nearly one-third of all the giant Schnauzers in the country.

For centuries, the Swiss Mountain Dogs herded cattle but today these gentle giants are endangered.

Taking its name from the Canadian maritime providence, the Newfoundland dog is a living, breathing history lesson. Putting to use their webbed feet and large lung capacity, these dogs can really save the day.

Some animals know that the best place to find a meal is under their nose. The Parson Russell Terrier knows how to travel in places that wolves may only dream of.

Coonhounds come in six breed types: American Black & Tan, English, Bluetick, Redbone, Plott and Treeing Walker. The colonists who arrived in America in the 1700s developed this breed to control the raccoon population.

The Spinone Italiano is an exceptional gun dog that dates back to the fifteenth century. The Spinone Club of America holds an annual event for dogs and their owners, and the Spinone Olympics continue to be the most popular event.

Bred to flush foxes from dens, the smooth fox has an independent spirit and a hardy soul. At an earthdog trial, terriers show their traditional talents. One contestant howls smooth tunes, while two others saddle up to become professional trick dogs.

Scotties are smart, independent souls and even trainable given the right incentive. Perhaps more than any other breed, the Scottie has been immortalized in high art and pop culture.

Her mating calls attracted the attention of a wild sloth, but her roommate Sunshine puts up a fight. Will either male win her heart?

Dr. Zasio takes Seth to a local pet store and has him wrap a snake around himself. As if that isn't enough, she tells him that before he leaves he has to kiss the snake!

Der and his precious tongue are adorably purrr-fect! He doesn't need costumes and lots of accessories to show off his star power.

See what goes into getting ready for a giraffe birth at the Dallas Zoo.

Gator Boys Guide to Wrestling Life: High Risk, High Reward. Paul knows the advantages of living a "high risk, high reward" lifestyle. You've gotta play big to win big! Hear what he's got to say.

These mini donkeys make great alternatives to ponies or regular-sized donkeys since they don't need as big a space to roam around in. Perfect for that little girl that always wanted her own pony!

You wouldn't expect a large, tattooed biker that runs a car wash to be afraid of anything... but Marvin is terrified of pit bulls! He won't even take walks with his family because of his fear of coming across one.

These panda toddlers are going through their terrible twos and taking it out on their keepers!

Check out what it took to design this amazing feline grocery store.

In this deleted scene, the Gator Boys walk us through their capture of one of the largest alligators they've ever encountered. The most important part: don't get bit!

Jimmy and Tre teach some of the guys from Gulf Coast Gator Ranch how to wrestle gators. Lesson #1: You WILL get bit at some point when you wrestle a gator.

It's playtime at the Bifengxia Panda Reserve. Watch these playtime highlights from the explore.org Panda Cam.

Paul is up to his knees in slippery Mississippi grease mud - combined with an 8-foot gator and you've got one dangerous catch!

The risks these guys take are no joke.

Paul is deep underwater attempting to capture and rescue a gator who's been scaring one man and his family. Can the guys reel in this big guy for his own safety?

Dr. Zasio takes Jahara to a park to do an exercise in facing her fear of spiders. Jahara must pick up 10 large spiders and carry them across a gazebo. Needless to say, things don't start off well...