Hosts Jack Steward and Colton Smith get up close and personal with the massive brown bears of Katmai National Park in...

Jack and Colton experience the awesome power of Mother Nature in Alaska as they kayak with whales and sea otters thro...

Going off the beaten path takes on new meaning for Jack and Colton in the "American Alps" in North Cascades National ...

Mountain goats, marmots and spotted owls are just a few of the creatures that Jack and Colton meet face to face as th...

Jack and Colton trudge through miles upon miles of volcanic ash and forge a treacherous river in search of one of the...

Jack and Colton head into the northland of their home state of Minnesota to live like the Voyageurs did centuries ago...

Jack and Colton prepare for a possible encounter with grizzly bears as they head high into the Rockies and across the...

Hosts Jack Steward and Colton Smith have a run-in with a bear and a showdown with big horn sheep as the hit the trail...

Jack and Colton take on Old Rag, one of the most dangerous trails in Shenandoah National Park, then belay each other ...

Hosts Jack Steward and Colton Smith creep and crawl for miles through the underground of Mammoth Cave National Park, ...

Jack and Colton trek miles though an icy cold river, then hold on for dear life while climbing one of Zion National P...

Jack and Colton saddle up and check out the land of hoodoos, then go back country camping... ultra-light with no tent...

Hosts Jack Steward and Colton Smith learn about the supervolcano that lies deep beneath the park and check out the ho...

Jack and Colton experience the power of the Yellowstone River at its own Grand Canyon, towering waterfalls, and white...

Jack and Colton trek through the land of giants in Sequoia National Park. Then it's a face-off with fear as they take...

Jack and Colton head to Death Valley National Park in search of one of the most scarce resources in the park... water.

It's a rocky ride for Colton and Jack as they explore the Chasm of Doom and climb The Eye of the Cyclops in Joshua Tr...

Colton and Jack are on the island of Maui checking out Haleakala National Park. They're flying high and riding low wh...

Jack and Colton are taking on Mauna Loa, the largest volcano on Earth, battling altitude sickness and the threat of s...

Colton and Jack are slogging their way through the sloughs of Everglades National Park. Then it's a marathon kayak ad...

Hosts Jack Steward and Colton Smith face off with Mother Nature in Pictured Rocks National Lakeshore, spending a cold...

In the largest urban national park in America, the hosts try mountain biking and hit the beach for their first surfin...

Hosts Jack Steward and Colton Smith relive some of their best wildlife encounters in the nation's national parks.

Camping in the national parks is always an interesting experience for Colton and Jack, especially when it comes to fi...

From the remote wilds of Alaska to the high Rocky Mountains of Montana and Wyoming, there's one animal that draws peo...

Colton and Jack have crisscrossed the country for some truly epic national park adventures from rafting the mighty Ye...