Chris and Dee Hathaway, a married couple deeply committed to rescue work in the Tetons, must help a skier who suffers a suspected spinal injury in the backcountry.

When a major storm shuts operations down, an isolated hiker must find his own way out of a dire situation.

Rob Warner heads to Kenya with Matt Jones to ride one of the highest mountains in Africa.

Rob Warner, along with Matt Jones, head to Lesotho where they experience a different kind of racing.

Gathering ingredients for a final feast, equal to foraged, free-range, and free-thinking in Colorado.

Chris and Dee Hathaway, a married couple deeply committed to rescue work in the Tetons, must help a skier who suffers a suspected spinal injury in the backcountry.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Chris and Dee Hathaway, a married couple deeply committed to rescue work in the Tetons, must help a skier who suffers a suspected spinal injury in the backcountry.

Ian Urbina takes viewers onboard ships on the South China Sea to explore the overfishing pandemic.

This new ski film explores the most iconic mountains on Earth. From the Fjords of Norway to the spines of Alaska, learn about the canvas that creates the most mind-melting moments in skiing.

Ultrarunner Karl Meltzer's third and final attempt to set the speed record for crossing the USA's Appalachian Trail.

The U.S. Ski Team is determined to make their mark in Kitzbuhel as they stare down the start gate of the super G and slalom courses.

The World Cup circuit progresses to Cortina; the U.S. women's ski team is graced by the return of veterans Julia Mancuso and Lindsey Vonn.

Rob Warner heads to Kenya with Matt Jones to ride one of the highest mountains in Africa.

Rob Warner, along with Matt Jones, head to Lesotho where they experience a different kind of racing.

Alex Honnold scales a vertical bus, a sand dune, and joins Tommy Caldwell for an ascent on a granite wall.

Pro climber Alex Honnold heads to one of Nevada's spookiest towns; in Tonopah, he hunts for ghosts, digs for gems, checks into a haunted hotel, and reunites with Caldwell for a high-alpine climb up Mt. Jefferson.

Chris and Dee Hathaway, a married couple deeply committed to rescue work in the Tetons, must help a skier who suffers a suspected spinal injury in the backcountry.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Chris and Dee Hathaway, a married couple deeply committed to rescue work in the Tetons, must help a skier who suffers a suspected spinal injury in the backcountry.

Geelong is a gem on the IRONMAN Oceania circuit, attracting thousands of athletes to race this scenic course.

Skier Lindsey Vonn, snowboarder Zack Black and other winter-sports enthusiasts travel to the ends of the Earth to get their powder fix.

From swimming in Oceanside Harbor to biking through a military base, this course offers a unique experience.

Epic weekend adventures designed to push the boundaries of what's possible.

Travel writer Jonathan Thompson sets out to explore the adventurous sides of Whistler, Canada and Lexington, Kentucky.

Travel writer Jonathan Thompson sets out to explore the adventurous side of the Golfo Dulce region of Costa Rica -- Puerto Jimenéz, Corcovado National Park, Golfito and Pavones.

Chef Biju meets his longtime friend, Greg Erwin, for a taste of Nashville, Tennessee.

Chef Biju meets his longtime friend Greg Erwin for a taste of Nashville, Tennessee.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Musician and adventurer Mike Posner performs an intimate set at Zion National Park.

Scout Willis performs some of her soulful songs, surrounded by the serene wilderness of Sequoia National Park.

Travel writer Jonathan Thompson sets out to explore the adventurous sides of Whistler, Canada and Lexington, Kentucky.

Travel writer Jonathan Thompson sets out to explore the adventurous side of the Golfo Dulce region of Costa Rica -- Puerto Jimenéz, Corcovado National Park, Golfito and Pavones.

Chef Biju meets his longtime friend, Greg Erwin, for a taste of Nashville, Tennessee.

Chef Biju meets his longtime friend Greg Erwin for a taste of Nashville, Tennessee.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Musician and adventurer Mike Posner performs an intimate set at Zion National Park.

Scout Willis performs some of her soulful songs, surrounded by the serene wilderness of Sequoia National Park.

Meeting the eight athletes and kicking off the first challenge: climbing; the competitors go head-to-head in a physical chess match of who can climb the hardest routes at Uncompahgre Gorge with time to spare.

We then make our way to Red Mountain, where the athletes compete in the Vertical Sprint and then the downhill.

"Ultimate Mountain Athlete.

The athletes continue with the downhill bike race high and navigate a free ski contest back on Red Mountain three.

The first season concludes with the Free Ski contest and crowning the Ultimate Mountain Athlete champion.

Jonno and Stefan visit North India. From the Himalayas to Punjab and Haryana, they experience the local culture and have some exciting adventures.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous side of Derry, Ireland.

Award-winning travel journalist Jonathan Thompson searches for adventures and reveals the wonderful cultures, allures and attractions of the world's most fascinating urban centers.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Musician and adventurer Goth Babe brings his indie spirit to the misty wilds of Olympic National Park.

Musician and producer Toro y Moi delivers a performance of his blend of chill-wave and funk.

Sasha meets up with professional Kiteboarder and swimwear designer Sensi Graves.

Sasha travels to the remote island of Makatea in French Polynesia to learn about its unique history.

Chef Khanh Ong journeys to Australia's tropical Far North Queensland to discover the culinary secrets of the Nywaigi people, the traditional owners of the land. He learns to cook Magpie Goose with Nywaigi Man Buddy Cassidy.

Alex Honnold scales a vertical bus, a sand dune, and joins Tommy Caldwell for an ascent on a granite wall.

Deep in cowboy country, pro climber Alex Honnold joins endurance runner Peyton Thomas for an unexpected adventure in the Ruby Mountains; off the trail, he dives into Basque culture.

The "Descending" team faces frigid waters when it heads to Iceland to witness the newest part of the planet being formed.

Travelling to Jacksonville, Fla., to meet GORUCK Co-founder Jason McCarthy, a former Special Forces Green Beret; McCarthy and friends put on grueling garage workouts that are the talk of the neighborhood.

We turn to Austin, Texas' own Scott Ballew; our good buddy, Scott, is a filmmaker and songwriter who owns a Bohemian bungalow in the heart of Austin's first suburb.

Mike and Jason bike over 142 miles with 17,000 feet of elevation gain from Death Valley, the lowest point in the U.S. to Whitney Portal before summiting Mount Whitney, the highest point in the lower 48 states.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

Dr. Paul Piff begins research at Lake Tahoe to discover what connects us in an era of loneliness and division.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Kai Lenny travels to the village of Nazaré, Portugal, to train with big wave charger Lucas "Chumbo" Chianca.

Kai Lenny competes in the Gigantes de Nazaré contest in Portugal before jetting home to Maui.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

Dr. Paul Piff begins research at Lake Tahoe to discover what connects us in an era of loneliness and division.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Kai Lenny travels to the village of Nazaré, Portugal, to train with big wave charger Lucas "Chumbo" Chianca.

Kai Lenny competes in the Gigantes de Nazaré contest in Portugal before jetting home to Maui.

Nouria Newman takes a solo kayaking trip in the Himalayas.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

Dr. Paul Piff begins research at Lake Tahoe to discover what connects us in an era of loneliness and division.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Kai Lenny travels to the village of Nazaré, Portugal, to train with big wave charger Lucas "Chumbo" Chianca.

Kai Lenny competes in the Gigantes de Nazaré contest in Portugal before jetting home to Maui.

A behind the scenes look at an average weekday with professional climber Sasha DiGiulian.

A behind the scenes look at an average weekday with professional climber Sasha DiGiulian.

Chef Corso travels to Quito, Ecuador, a city nestled high in the Andes and rich in culinary heritage.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

Mountain bike wheels put up with a lot, and for the most part, they stand up well. But what if the rider is a 1,500-boat anchor? The short answer is: Better than we thought until it didn't, and things got ugly fast.

Martinus Evans travels to the "City of Angels.

Ian Urbina takes viewers onboard ships on the South China Sea to explore the overfishing pandemic.

Off the coast of England aboard Sealand, a micronation founded by a quixotic adventurer.

Rob Warner travels to Ecuador with rising MTB star Finn Iles to take on Cotopaxi Park, in the Andes.

Rob Warner and downhill pro Olly Wilkins ride around the Himalayas in Nepal.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

As Ellis sets his sights on exploring the remote islands of the Pacific that you can only get to by boat, he realizes that he doesn't know how to sail.

Rob Warner travels to Ecuador with rising MTB star Finn Iles to take on Cotopaxi Park, in the Andes.

Rob Warner and downhill pro Olly Wilkins ride around the Himalayas in Nepal.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

As Ellis sets his sights on exploring the remote islands of the Pacific that you can only get to by boat, he realizes that he doesn't know how to sail.

Coverage of the annual cross-country skiing competition.

Rob Warner travels to Ecuador with rising MTB star Finn Iles to take on Cotopaxi Park, in the Andes.

Rob Warner and downhill pro Olly Wilkins ride around the Himalayas in Nepal.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

As Ellis sets his sights on exploring the remote islands of the Pacific that you can only get to by boat, he realizes that he doesn't know how to sail.

Musician and adventurer Goth Babe brings his indie spirit to the misty wilds of Olympic National Park.

Musician and producer Toro y Moi delivers a performance of his blend of chill-wave and funk.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

Scott Wilson and Ellis Emmett are in Los Angeles to see if vibrant marine life can exist off the highly developed coast of Southern California.

Part one of Ken Whiting's solo sea kayaking expedition of the unforgiving Lake Superior Provincial Park.

Part two of Ken Whiting's solo sea kayaking expedition of the unforgiving Lake Superior Provincial Park.

Get a rare look inside The Explorers Club headquarters; for the last 120 years, The Explorers Club has been the exclusive epicenter where legendary explorers come together to share some of the most incredible adventure stories ever told.

Driving out the Texas Hill Country to see Cameron Duddy; Cameron gives the lay of the land, showing everything from a creative oasis he calls an office, to the places he enjoys most with family and friends.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Amman, Jordan and Charleston, South Carolina.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Poznan, Poland, and Juneau, Alaska.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Kai Lenny travels to the village of Nazaré, Portugal, to train with big wave charger Lucas "Chumbo" Chianca.

Kai Lenny competes in the Gigantes de Nazaré contest in Portugal before jetting home to Maui.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Amman, Jordan and Charleston, South Carolina.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Poznan, Poland, and Juneau, Alaska.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Kai Lenny travels to the village of Nazaré, Portugal, to train with big wave charger Lucas "Chumbo" Chianca.

Kai Lenny competes in the Gigantes de Nazaré contest in Portugal before jetting home to Maui.

Coverage of the annual cross-country skiing competition.

A legendary race at the top of bucket lists worldwide, the ANZCO Foods IRONMAN New Zealand is a must-see!

Cam McCaul heads to Jupiter, Fla. to meet up with professional kite boarder Damien LeRoy; paragliding adventures and shark hunting.

Cam McCaul visits Mammoth Lakes, Calif. to meet up with professional snowboarder Kimmy Fasani; snowboarding, bouldering and mountain biking.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Amman, Jordan and Charleston, South Carolina.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Poznan, Poland, and Juneau, Alaska.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Kai Lenny travels to the village of Nazaré, Portugal, to train with big wave charger Lucas "Chumbo" Chianca.

Kai Lenny competes in the Gigantes de Nazaré contest in Portugal before jetting home to Maui.

Sasha travels to Manikia, a small village in Greece, to experience an emerging climbing destination; Sasha is joined on this adventure by fellow climbers from the Petzl team.

Sasha travels to the unlikely climbing destination of the Dominican Republic.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

Explore the heart and soul of the outer banks of North Carolina through the stories of OBX locals.

Carrying water is a hassle on long runs, so here's a robot cooler that follows along on the road and trail.

Retrofitting a mountain bike with a jet engine and see how fast I can go uphill.

Mike and Jason head to Nevada to explore the trails and mountains around the beautiful Lake Tahoe; they plan to ride a 125-mile loop around the lake while reliving memories of past missions in the area.

Mike and Jason head to Nevada to explore the trails and mountains around the beautiful Lake Tahoe.

Mike and Jason head to Vermont to get back on bikes and take on 160-miles; they have a gorgeous route planned that weaves through storybook farm dirt roads, rugged woodland paths and the iconic Lincoln Gap climb; joined by Dhani Jones.

Mike and Jay head to Yosemite National Park to take on the Tuolumne Triple crown.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Pro climber Alex Honnold heads to one of Nevada's spookiest towns; in Tonopah, he hunts for ghosts, digs for gems, checks into a haunted hotel, and reunites with Caldwell for a high-alpine climb up Mt. Jefferson.

Ellis Emmett's first stop is the Kingdom of Tonga; he befriends a local named Lofi, and the two set sail for the isolated island of Tofua; they explore a newly formed volcanic island, navigate treacherous coral reefs, and must hunt for their dinner.

Mike and Jason head to Vermont to get back on bikes and take on 160-miles; they have a gorgeous route planned that weaves through storybook farm dirt roads, rugged woodland paths and the iconic Lincoln Gap climb; joined by Dhani Jones.

Mike and Jay head to Yosemite National Park to take on the Tuolumne Triple crown.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Pro climber Alex Honnold heads to one of Nevada's spookiest towns; in Tonopah, he hunts for ghosts, digs for gems, checks into a haunted hotel, and reunites with Caldwell for a high-alpine climb up Mt. Jefferson.

Ellis Emmett's first stop is the Kingdom of Tonga; he befriends a local named Lofi, and the two set sail for the isolated island of Tofua; they explore a newly formed volcanic island, navigate treacherous coral reefs, and must hunt for their dinner.

From Mt. Van Hoevenberg, Lake Placid.

From swimming in Oceanside Harbor to biking through a military base, this course offers a unique experience.

Discover the Outer Banks of North Carolina through locals who celebrate and protect this one-of-a-kind place.

Mike and Jason head to Vermont to get back on bikes and take on 160-miles; they have a gorgeous route planned that weaves through storybook farm dirt roads, rugged woodland paths and the iconic Lincoln Gap climb; joined by Dhani Jones.

Mike and Jay head to Yosemite National Park to take on the Tuolumne Triple crown.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Pro climber Alex Honnold heads to one of Nevada's spookiest towns; in Tonopah, he hunts for ghosts, digs for gems, checks into a haunted hotel, and reunites with Caldwell for a high-alpine climb up Mt. Jefferson.

Peeking into the inner working of a Colorado hotshot crew fighting fires in the American west.

A behind the scenes look at an average weekday with professional climber Sasha DiGiulian.

A behind the scenes look at an average weekday with professional climber Sasha DiGiulian.

Scott talks Ellis into diving the shark-infested waters off the coast of the Solomon Islands.

Many years ago, a young, landlocked PaddyO watched a surf movie featuring longboard master Kassia Meador and vowed to one day learn surfing.

Chris Foster knows how to pull PaddyO through his first triathlon: Appeal to his unhealthy competitive streak.

Jonathan Thompson sets out to explore the adventurous sides of Scottsdale, Arizona and Montréal, Canada.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of La Paz, Mexico and Lafayette, Louisiana.

Part 1 of Ken Whiting's solo trip through the whitewater of the Petawawa River in Algonquin Park.

Part 2 of Ken Whiting's solo trip through the whitewater of the Petawawa River in Algonquin Park.

Erik Roner gets a taste of why professional mountain biker Cam Zink is one of the best in the world.

Surfer Benji Weatherley and Erik Roner do some tow-in surfing to catch the bigger waves off the the coast of Encinitas.

Matt Chojnacki performs a quadruple twisting quadruple; Dave Barlia leaps off the north face of the Swiss Eiger; Kenya; Switzerland; Colorado; Canada; Europe; Michigan; Utah; Alaska.

Ian Urbina takes viewers onboard ships on the South China Sea to explore the overfishing pandemic.

Off the coast of England aboard Sealand, a micronation founded by a quixotic adventurer.

Part 1 of Ken Whiting's solo trip through the whitewater of the Petawawa River in Algonquin Park.

Part 2 of Ken Whiting's solo trip through the whitewater of the Petawawa River in Algonquin Park.

Erik Roner gets a taste of why professional mountain biker Cam Zink is one of the best in the world.

Surfer Benji Weatherley and Erik Roner do some tow-in surfing to catch the bigger waves off the the coast of Encinitas.

Matt Chojnacki performs a quadruple twisting quadruple; Dave Barlia leaps off the north face of the Swiss Eiger; Kenya; Switzerland; Colorado; Canada; Europe; Michigan; Utah; Alaska.

Ian Urbina takes viewers onboard ships on the South China Sea to explore the overfishing pandemic.

Off the coast of England aboard Sealand, a micronation founded by a quixotic adventurer.

Paddy heads to the stream to learn the delicate art of casting a fly and landing a fish.

Getting lost in the wilderness is nothing new to Paddy. Orienteering is an excuse to call it a sport.

Veteran mountain bikers Darren Berrecloth and Cam Zink travel with up-and-comers Carson Storch and Tom van Steenbergen to the glaciers of Axel Heiberg Island in the Arctic Circle, where the summer sun shines all day, to explore its unique terrain.

Peeking into the inner working of a Colorado hotshot crew fighting fires in the American west.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous side of Derry, Ireland.

Award-winning travel journalist Jonathan Thompson searches for adventures and reveals the wonderful cultures, allures and attractions of the world's most fascinating urban centers.

Ian Urbina takes viewers onboard ships on the South China Sea to explore the overfishing pandemic.

Off the coast of England aboard Sealand, a micronation founded by a quixotic adventurer.

Pro climber Alex Honnold heads to one of Nevada's spookiest towns; in Tonopah, he hunts for ghosts, digs for gems, checks into a haunted hotel, and reunites with Caldwell for a high-alpine climb up Mt. Jefferson.

Six years ago, Will Gadd made several first ascents of Kilimanjaro's ice towers; now, as the mountain's iconic ice cap disappears rapidly, he returns to make one last ascent.

Climber and transracial Asian-American, Cody Kaemmerlen, searches for connection with his birth parents after a near-death fall leaves him shaken and grasping for answers.

Big wave surfer Mark Mathews has made a career out of defying fear at every opportunity.

Tired of fixing up other people's houses, Ben decided to spend the last few years crafting his own house from the ground up, while getting help from his friends, Dad, and Sophie along the way.

Get a rare look inside The Explorers Club headquarters; for the last 120 years, The Explorers Club has been the exclusive epicenter where legendary explorers come together to share some of the most incredible adventure stories ever told.

Ellis has a brush with royalty on the island kingdoms of Wallis and Futuna.

Part 2 of Ken Whiting's solo trip through the whitewater of the Petawawa River in Algonquin Park.

Part three of Ken Whiting's solo trip through the whitewater of the Petawawa River in Algonquin Park.

Rob Warner and slopestyle genius Matt Jones make their way through New Zealand's South Island trails.

Finn Iles joins Rob Warner to find a very picturesque biking trail.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Kai Lenny takes to the next level with one goal in mind: being the best big wave rider in the world.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

Rob Warner and slopestyle genius Matt Jones make their way through New Zealand's South Island trails.

Finn Iles joins Rob Warner to find a very picturesque biking trail.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Kai Lenny takes to the next level with one goal in mind: being the best big wave rider in the world.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

Joining Monterey's heroes as they explore their region's best surf breaks and cultures around them.

South Africa's heroes explore their region's best surf breaks and cultures around them.

Jonno and Stefan embark on their adventure of traversing the length and breadth of India.

Jonno and Stefan visit North India. From the Himalayas to Punjab and Haryana, they experience the local culture and have some exciting adventures.

A team of skiers embarks on a two-week glacier traverse connecting two remote research stations in Kazakhstan.

Martinus Evans travels to the "City of Angels.

Elite freeriders descend on Ordino Arcalís, Andorra, to compete for the FIS Freeride World Champion titles.

New and veteran athletes pay tribute to the late Warren Miller.

Kai Lenny takes to the next level with one goal in mind: being the best big wave rider in the world.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

Erik Roner jumps out of a helicopter and meets Walsh on the beaches of Maui; the Walsh brothers visit their favorite surf spots away from the overexposed Maui breaks doing what they do best.

Erik Roner hops into a Subaru with Bryan Iguchi for an insider's tour of Jackson Hole.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous side of Derry, Ireland.

Award-winning travel journalist Jonathan Thompson searches for adventures and reveals the wonderful cultures, allures and attractions of the world's most fascinating urban centers.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Musician and adventurer Goth Babe brings his indie spirit to the misty wilds of Olympic National Park.

Musician and producer Toro y Moi delivers a performance of his blend of chill-wave and funk.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous side of Derry, Ireland.

Award-winning travel journalist Jonathan Thompson searches for adventures and reveals the wonderful cultures, allures and attractions of the world's most fascinating urban centers.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Biju visits the South Shore of Lake Tahoe to experience the area's stunning landscape and bountiful cuisine.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Musician and adventurer Goth Babe brings his indie spirit to the misty wilds of Olympic National Park.

Musician and producer Toro y Moi delivers a performance of his blend of chill-wave and funk.

Elias Cairo details the beauty of deer steaks and shows two of his go-to ways to cook it on an open fire.

Elias Cairo demonstrates how to cook rabbits without drying them out, while also teasing the natural terroir.

Jonno and Stefan visit the eastern coast of India and go surfing. They also meet Jon Rose, a professional surfer and founder of Waves For Water.

Join Collinson on an adventure through the Utah backcountry and experience what it's like to join one of the planet's most elite riders in the often unseen terrain around SLC.

John Crathern takes the audience on a tour of his African summer playground and shows us kiteboarding in a number of settings.

Biju Thomas visits Maine to take in the local cuisine and adventures.

Chef Biju Thomas travels across the nation seeking food experiences ranging from trendy hotspots to entirely off-the-beaten-path.

Avalanche risk turns deadly after a skier is caught in unstable snow; the SAR team must use helicopters and controlled detonations to prevent further slides before attempting the rescue.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

The team races to find two overdue snowmobilers in the remote backcountry in harsh, low-visibility conditions.

Musician and producer Toro y Moi delivers a performance of his blend of chill-wave and funk.

Scout Willis performs some of her soulful songs, surrounded by the serene wilderness of Sequoia National Park.

Sasha travels to Manikia, a small village in Greece, to experience an emerging climbing destination; Sasha is joined on this adventure by fellow climbers from the Petzl team.

Sasha travels to the unlikely climbing destination of the Dominican Republic.

Chef Khanh Ong takes a ride on the Spirit of Tasmania to explore Northern Tasmania and tries hunting of a different kind, harvesting a local crop and gets an insight into cooking with a protein only available in Tasmania.

Pro climber Alex Honnold heads to one of Nevada's spookiest towns; in Tonopah, he hunts for ghosts, digs for gems, checks into a haunted hotel, and reunites with Caldwell for a high-alpine climb up Mt. Jefferson.

Scott talks Ellis into diving the shark-infested waters off the coast of the Solomon Islands.

Driving out the Texas Hill Country to see Cameron Duddy; Cameron gives the lay of the land, showing everything from a creative oasis he calls an office, to the places he enjoys most with family and friends.

We head out to the Western Slope, outside Vail, Colorado, to visit longtime friend Sinuhe Xavier.

Mike and Jason head into the San Juan Mountains backcountry in Southwest Colorado to take on the Million Dollar Ski Traverse. This mission consists of 25 miles of skiing with roughly 10,000 feet of elevation gain across beautiful mountain terrain.

Mike and Jason meet with friends and adaptive athlete Dan Kosick to take on the Grand Cayon's Rim-to-Rim-to-Rim Traverse, a roughly 42-mile trail run; high temperatures and self-imposed deadlines push the guys to their limits.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Kai Lenny takes to the next level with one goal in mind: being the best big wave rider in the world.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Kai Lenny takes to the next level with one goal in mind: being the best big wave rider in the world.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

Ken Whiting is in Lapland North, Finland on the Luttojoki River, exploring the islands of Lake Inarijarvi.

Ken Whiting ventures out on a multi-day paddle in Oluanka National Park, in Ruka-Kuusamo, Finland.

Cam travels to Telluride, Colorado to spend a week with professional skier Greg Hope; Greg shows Cam his quintessential mountain town that was born out of the gold rush and now is a gateway to the mighty San Juan Mountains.

Cam travels to Oahu's north shore to hang out with professional surfer Mason Ho; Mason gives Cam a taste of Hawaiian hospitality.

The UCI team at the Tahoe Lab measures how awe impacts happiness, gratitude, relationships, and well-being.

When three calls come in within hours, Teton County Search and Rescue faces its toughest day yet; a lost hiker, a snowmobile crash, and a looming avalanche all demand immediate response.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Several responders race to rescue an injured snowboarder; we also see how they juggle family dinners, day jobs, and sleepless nights.

The team races to save a teen who drove a snowmobile off a cliff. A rookie is tested in a high-stakes rescue.

Kai Lenny takes to the next level with one goal in mind: being the best big wave rider in the world.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

A behind the scenes look at an average weekday with professional climber Sasha DiGiulian.

A behind the scenes look at an average weekday with professional climber Sasha DiGiulian.

Chef Corso cooks up delicious gourmet backpacking meals while hiking Arizona trails.

Chef Corso cooks up delicious gourmet backpacking meals while hiking the trails of San Francisco.

When a mountain biker crashes on a remote trail, the SAR team scrambles into action with limited light and difficult access.

Defying posted warnings, a snowboarder ventures into high-risk avalanche territory-and pays the price; the SAR team faces a race against weather and terrain to extract him safely.

Setting out to fix a missing element for a walk in the woods' self-hiking boots.

Carrying water is a hassle on long runs, so here's a robot cooler that follows along on the road and trail.

Off the coast of England aboard Sealand, a micronation founded by a quixotic adventurer.

Investigating how some luxury cruise ships routinely use Magic Pipes to get rid of toxic waste.

Rob Warner heads to Kenya with Matt Jones to ride one of the highest mountains in Africa.