Jack and Colton are in Alaska's Chugach State Park for a hike on part of the famed Iditarod Trail, where dense fog is testing their senses and glacier-fed waters are challenging their stamina.
Colton and Jack are on San Juan Island, off the coast of Washington, discovering the wide variety of land and sea creatures that make up the fragile ecology of the Salish Sea.
Jack and Colton are having a doggone good time in Montana's Gallatin National Forest, taking some lucky rescue dogs on a picturesque hike. They also mountain bike an intense mountain trail.
Colton and Jack are horse-packing in Montana's Beaverhead-Deerlodge National Forest. The mission: find the source of the Missouri River, the longest river in North America.
Jack and Colton are back in Glacier to hike one of the premiere trails in the park. The High Line Trail. With bears, big horns, mountain goats and glaciers, this trail never disappoints.
Jack and Colton attempt to tackle two 14-thousand-foot mountains in Colorado's Arapaho National Forest. But in Colorado, things can change quickly, making for dangerous situations.
Colton and Jack are back in Nevada's Great Basin National Park for a rematch with a mountain that once stopped them in their tracks, and to find out what ecologists have learned from data-collecting devices they stowed deep in a wild cave.
Jack and Colton are in Minnesota's Twin Cities, canoeing the Mighty Mississippi, on a trip that takes them through a lock and dam, past an urban barge corridor and to an enterprising teenager's island of comfort bunnies.
Colton and Jack meet up with their buddy Joe Stone in the mountain-biking mecca of Moab, Utah, to prove that physical limitation doesn't have to mean giving up the quest for desert adventure.
Colton and Jack are along the Arizona-Nevada border at Lake Mead National Recreation Area to tour Hoover Dam, and to join wounded veterans on a therapeutic scuba dive that's helping to map a future park attraction.
Colton and Jack are at Gold Butte National Monument in Nevada for an overlanding journey that takes them into the desert backcountry, where they find ancient petroglyphs, a massive sink hole, colorful rock formations and a gold-mining ghost town.
Colton and Jack are in Florida Keys National Marine Sanctuary to learn about the massive decline of the area's coral reef and to see how local divers and marine researchers are defending and even replanting this important underwater ecosystem.
Colton and Jack are in Big Cypress National Park Reserve in southern Florida, where the swampland is being overrun by invasive snakes. The guys hop a swamp buggy with a park ranger to learn about the preserve's unique ecosystem and to seek out one of the invader pythons.
Jack and Colton visit Florida's manatee capital to snorkel with these docile creatures. In addition, they dive to their deepest depth yet, but in it is in an underwater cavern.
Colton and Jack hike in Arizona's Petrified Forest National Park for a very marvelous adventure. They discover numerous fossils of dinosaurs that roamed on this planet two hundred million years ago.
