Rock the Park

Hosts Jack Steward and Colton Smith get up close and personal with the massive brown bears of Katmai National Park in Alaska, home to the largest population of brown bears on the planet. The guys watch bears fish for salmon and dig for clams along the Pacific Coast and camp out in the back country surrounded by bears.

Jack and Colton experience the awesome power of Mother Nature in Alaska as they kayak with whales and sea otters through Glacier Bay National Park, witness glaciers crashing into the sea and trek to get up close to a mammoth Glacier.

Going off the beaten path takes on new meaning for Jack and Colton in the "American Alps" in North Cascades National Park in Washington, as they're pushed to the limit and forced to overcome fears in a quest to make the climb of their lives.

Jack and Colton visit one of the last undeveloped beaches on the Atlantic coast. Cumberland Island National Seashore is home to tons of wildlife and the guys see it all from manatees to manta rays, and alligators to wild horses.

The watery world of Dry Tortugas National Park has Colton and Jack taking their exploration into the sea, diving deep to check one of the largest coral reefs in the world and the marine life that call it home, from stingrays, to goliath grouper and even nurse sharks.

Jack and Colton head deep into the woods to learn about the amazing life of black bears, and then no stone goes unturned as they search for some of the tiniest inhabitants of the Great Smokies. Finally, it’s a lung-busting hike to the top of a Smoky Mountain peak for a stunning view.

Jack and Colton are exploring Channel Islands National Park of the coast of California. After a scuba trip into the parks famous Kelp Forest, they kayak through sea caves, and spy on seals and sea lions at one of the largest rookeries in the world.

The guys are taking the plunge into one of the deepest, darkest canyons in the country. It’s a rock scrambling, poison ivy filled, route finding trek to the bottom. Then they’ll hit the gold medal waters of the Gunnison River to try their hand a fly-fishing.

Jack and Colton tour a quarry of dinosaur bones at Dinosaur National Monument in the Southwest; later, they embark on a white-water trip down the Green River.

Jack and Colton are exploring one of the oldest rivers in North America and one of the biggest bridges in the country. After that, they hit the crazy whitewater of the New River.

Colton and Jack visit the parks of New York Harbor to learn about immigration and their own family history. Stops include Ellis Island and kayaking to the Statue of Liberty.

Jack and Colton check out the underwater world of Biscayne and help the park fight a dangerous invasive species.

Jack and Colton head into the Colorado Rockies for an action-packed canyoneering adventure down a 270-foot waterfall.

Colton and Jack return to Colorado to hit the dunes of Great Sand Dunes National Park. Along the way they recall their favorite adventures in Colorado including climbing their first 14'er in San Juan National Forest and whitewater rafting in Dinosaur National Monument.

Jack and Colton are visiting two of the four districts in Canyonland National Park. Along the way, they'll discover what wilderness really means to them.

It’s one thing to experience a tidal wave, it’s quite another to try to surf it. In the first episode of Season 6, Jack and Colton paddleboard through a frigid glacial lake and river in Alaska to catch a tidal bore and ride it for as long as they can.

Jack and Colton explore 40 glaciers, the largest fully contained icefield in the United States, lush mountain forests filled with bears, moose, and mountain goats and pristine fjords home to fin and orca whales, sea lions, puffins, and more.

Jack and Colton are hiking through fog and whitewater at the famed Iditarod Trail in Alaska's Chugach State Park. The dense fog and glacier-fed whitewater challenge their ability to make it across a key river. Despite the proximity to Anchorage, this is no walk in the park!