As winter rapidly approaches, the survivalists struggle to keep up with the demands of solitary living; one participant struggles with nocturnal invaders, and another reaches a breaking point.

Winter descends upon the survivalists, forcing them to adapt to the drop in temperatures; one survivalist settles in for the dark days ahead, while another makes a surprising discovery.

As the remaining survivalists near day 50, conditions at Reindeer Lake intensify; desperation rises as the temperatures continue to drop, and personal demons bubble to the surface; one participant's shelter is endangered by the elements.

The three remaining survivalists brace themselves for the fight to the finish; one participant finds it impossible to stay warm, while others risk it all on the ice; only one can claim the $500,000 prize.

Devastating flash floods threaten Dawson City.

An earth-shattering boom; a paranormal fog on Lake Michigan; a blinding double flash of light.

Ken and Guillaume travel over a dangerous mountain pass; Cam worries about getting Gary into the country; Nina and Chris have a difficult start to their season.

Devastating flash floods threaten Dawson City.

An earth-shattering boom; a paranormal fog on Lake Michigan; a blinding double flash of light.

Ken and Guillaume travel over a dangerous mountain pass; Cam worries about getting Gary into the country; Nina and Chris have a difficult start to their season.

Taylor Dayne gives Rick first dibs at some memorabilia from her tours; Chum hopes the force is strong with him as a seller brings a nutcracker Darth Vader; a seller comes into the shop with an award given to Dolly Parton and Porter Wagoner.

Bret and Ivy bust through sheets of lake ice to ferry critical equipment to their cabin by boat; Lauro and Virginia use the dog team to haul fresh cut timber from the forest for a log cabin build.

While searching for abandoned relics along The Alaska Highway, Matt's team steps up as car hunters in their own right.

Danny lets Ryan take the lead on a 1959 Chevy Panel Truck project; Danny motivates his crew to clean up the shop with an interdepartmental build competition.

Danny attempts to create a muscle car from a 4-door sedan; a one of a kind couch made from the tail end of a Plymouth Roadrunner.

Chum makes a surreal offer on a Salvador Dalí lithograph of Pablo Picasso; a seller brings in recordings of FDR's Fireside Chats; Rick and Chum test out a Civil War primed revolver; a model of the Death Star hits the counter.

The king of the swamp Troy Landry chases a legendary treasure hidden deep in the bayou, helped by his right-hand man Pickle Wheat and veteran hunter Don Brewer; using just a map and an old man's tale, can they locate some real swamp "gold.".

Bret and Ivy bust through sheets of lake ice to ferry critical equipment to their cabin by boat; Lauro and Virginia use the dog team to haul fresh cut timber from the forest for a log cabin build.

Taylor Dayne gives Rick first dibs at some memorabilia from her tours; Chum hopes the force is strong with him as a seller brings a nutcracker Darth Vader; a seller comes into the shop with an award given to Dolly Parton and Porter Wagoner.

While searching for abandoned relics along The Alaska Highway, Matt's team steps up as car hunters in their own right.

Danny lets Ryan take the lead on a 1959 Chevy Panel Truck project; Danny motivates his crew to clean up the shop with an interdepartmental build competition.

Danny attempts to create a muscle car from a 4-door sedan; a one of a kind couch made from the tail end of a Plymouth Roadrunner.

Chum makes a surreal offer on a Salvador Dalí lithograph of Pablo Picasso; a seller brings in recordings of FDR's Fireside Chats; Rick and Chum test out a Civil War primed revolver; a model of the Death Star hits the counter.

While searching for abandoned relics along The Alaska Highway, Matt's team steps up as car hunters in their own right.

Danny lets Ryan take the lead on a 1959 Chevy Panel Truck project; Danny motivates his crew to clean up the shop with an interdepartmental build competition.

Danny attempts to create a muscle car from a 4-door sedan; a one of a kind couch made from the tail end of a Plymouth Roadrunner.

Chum makes a surreal offer on a Salvador Dalí lithograph of Pablo Picasso; a seller brings in recordings of FDR's Fireside Chats; Rick and Chum test out a Civil War primed revolver; a model of the Death Star hits the counter.

Taylor Dayne gives Rick first dibs at some memorabilia from her tours; Chum hopes the force is strong with him as a seller brings a nutcracker Darth Vader; a seller comes into the shop with an award given to Dolly Parton and Porter Wagoner.

The king of the swamp Troy Landry chases a legendary treasure hidden deep in the bayou, helped by his right-hand man Pickle Wheat and veteran hunter Don Brewer; using just a map and an old man's tale, can they locate some real swamp "gold.".

Bret and Ivy bust through sheets of lake ice to ferry critical equipment to their cabin by boat; Lauro and Virginia use the dog team to haul fresh cut timber from the forest for a log cabin build.

The king of the swamp Troy Landry chases a legendary treasure hidden deep in the bayou, helped by his right-hand man Pickle Wheat and veteran hunter Don Brewer; using just a map and an old man's tale, can they locate some real swamp "gold.".

Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin.

Stories about parallel dimensions.

Cam takes a risk on a pricey water cannon; a piece breaks on Karl's sluice plant; Ken and Guillaume test for gold.

Conservation Officer Logan has a close call while investigating a case of poaching; an aggressive grizzly bear ransacks a remote trapper's cabin.

Stories about parallel dimensions.

Cam takes a risk on a pricey water cannon; a piece breaks on Karl's sluice plant; Ken and Guillaume test for gold.

Rick takes a Bricklin SV-1 out for a test drive. But is this sports car a safe bet, or a bright yellow lemon? Then, a seller makes Chum a whale-y big offer, but does he have the backbone to make the deal? Meanwhile, Corey and Chum try to stay afloat with a limited-edition Nike raft and briefcase. Will he just do it or just don't it? And finally, Rick and Chum make a long-distance song request on a Shyver Multiphone, but will the seller be singing their tune?

Lauro guides his dog team through frozen wilderness to reach Neil at a remote trapping camp. On his homestead, Mike digs a root cellar into the hillside. Ivy hunts grouse while Bret preps for the upcoming season by building and boiling his gear. Chance and Soraya begin building a log barn to shield their livestock from winter. In Montana, Jake makes a daring climb to save one of his stranded dogs.

The gates are open to some of history's sinister structures; from the terrifying Tower of London to a hotel of horrors, discovering the dark secrets hidden within these foreboding fortresses.

The key events of the Allied invasion of Nazi-held Europe during World War II and honoring the diverse backgrounds of all who served, including the experiences of African-Americans, Asian Americans, Latinos and women.

King of the Swamp Troy Landry teams up with a local archeologist and deckhand Pickle to search for remains of an ancient Native American civilization in the Louisiana swamps; the team discovers evidence of an ancient and mysterious people.

Lauro guides his dog team through frozen wilderness to reach Neil at a remote trapping camp. On his homestead, Mike digs a root cellar into the hillside. Ivy hunts grouse while Bret preps for the upcoming season by building and boiling his gear. Chance and Soraya begin building a log barn to shield their livestock from winter. In Montana, Jake makes a daring climb to save one of his stranded dogs.

Rick takes a Bricklin SV-1 out for a test drive. But is this sports car a safe bet, or a bright yellow lemon? Then, a seller makes Chum a whale-y big offer, but does he have the backbone to make the deal? Meanwhile, Corey and Chum try to stay afloat with a limited-edition Nike raft and briefcase. Will he just do it or just don't it? And finally, Rick and Chum make a long-distance song request on a Shyver Multiphone, but will the seller be singing their tune?

The gates are open to some of history's sinister structures; from the terrifying Tower of London to a hotel of horrors, discovering the dark secrets hidden within these foreboding fortresses.

The key events of the Allied invasion of Nazi-held Europe during World War II and honoring the diverse backgrounds of all who served, including the experiences of African-Americans, Asian Americans, Latinos and women.

The gates are open to some of history's sinister structures; from the terrifying Tower of London to a hotel of horrors, discovering the dark secrets hidden within these foreboding fortresses.

The key events of the Allied invasion of Nazi-held Europe during World War II and honoring the diverse backgrounds of all who served, including the experiences of African-Americans, Asian Americans, Latinos and women.

Rick takes a Bricklin SV-1 out for a test drive. But is this sports car a safe bet, or a bright yellow lemon? Then, a seller makes Chum a whale-y big offer, but does he have the backbone to make the deal? Meanwhile, Corey and Chum try to stay afloat with a limited-edition Nike raft and briefcase. Will he just do it or just don't it? And finally, Rick and Chum make a long-distance song request on a Shyver Multiphone, but will the seller be singing their tune?

King of the Swamp Troy Landry teams up with a local archeologist and deckhand Pickle to search for remains of an ancient Native American civilization in the Louisiana swamps; the team discovers evidence of an ancient and mysterious people.

Lauro guides his dog team through frozen wilderness to reach Neil at a remote trapping camp. On his homestead, Mike digs a root cellar into the hillside. Ivy hunts grouse while Bret preps for the upcoming season by building and boiling his gear. Chance and Soraya begin building a log barn to shield their livestock from winter. In Montana, Jake makes a daring climb to save one of his stranded dogs.

King of the Swamp Troy Landry teams up with a local archeologist and deckhand Pickle to search for remains of an ancient Native American civilization in the Louisiana swamps; the team discovers evidence of an ancient and mysterious people.

When a bear charges a group of remote researchers, a Conservation Officer deals with the potentially life-threatening situation, and Ray takes on a challenging recovery that bested two tow companies before him.

Stories of the human body reaching beyond the limits of modern medicine.

Cam and his crew hurry to begin sluicing Donovan cut; Karl motivates his crew; Chris and Nika face a sluice plant breakdown.

When a bear charges a group of remote researchers, a Conservation Officer deals with the potentially life-threatening situation, and Ray takes on a challenging recovery that bested two tow companies before him.

Stories of the human body reaching beyond the limits of modern medicine.

Cam and his crew hurry to begin sluicing Donovan cut; Karl motivates his crew; Chris and Nika face a sluice plant breakdown.

A customer walks into the shop with a camera that shot the first footage of Elvis; Chum tries to dig up some info on a mysterious fossil; Rick tries to strike black gold with a Standard Oil stock certificate.

While hunting for meat, Mike crosses paths with a prowling brown bear and her cub. Chance races the first snow to finish his livestock barn. Lauro and Neil smash through thick river ice to harvest beaver and fish. Bret and Ivy scale their cabin roof to install solar panels and power their homestead with clean energy. Meanwhile, Paul hits the jackpot on his coyote and beaver traplines.

The team sets its sights on a famous Bermuda Triangle case: the twin vanishings of two massive cargo ships; in 1941, the USS Proteus disappears after crossing the Bermuda Triangle; two weeks later, the USS Nereus, also drops off the Earth.

Personal stories of what it was like to be a soldier during WWII; eyewitness accounts of deadly combat situations on land, sea and air.

The first amusement park has its roots all the way back in 1133; Catherine the Great is considered the forerunner of modern roller coasters; the Chicago World's Fair of 1893 inspires the birth of Coney Island; a merry-go-round inspires Walt Disney.

Troy answers an urgent call from his longtime friend and fellow swamper, Daniel Edgar, who has discovered a mysterious threat to the alligator population; together, the duo investigates, uncovering clues that point to a suspicious culprit.

While hunting for meat, Mike crosses paths with a prowling brown bear and her cub. Chance races the first snow to finish his livestock barn. Lauro and Neil smash through thick river ice to harvest beaver and fish. Bret and Ivy scale their cabin roof to install solar panels and power their homestead with clean energy. Meanwhile, Paul hits the jackpot on his coyote and beaver traplines.

A customer walks into the shop with a camera that shot the first footage of Elvis; Chum tries to dig up some info on a mysterious fossil; Rick tries to strike black gold with a Standard Oil stock certificate.

The team sets its sights on a famous Bermuda Triangle case: the twin vanishings of two massive cargo ships; in 1941, the USS Proteus disappears after crossing the Bermuda Triangle; two weeks later, the USS Nereus, also drops off the Earth.

Personal stories of what it was like to be a soldier during WWII; eyewitness accounts of deadly combat situations on land, sea and air.

The first amusement park has its roots all the way back in 1133; Catherine the Great is considered the forerunner of modern roller coasters; the Chicago World's Fair of 1893 inspires the birth of Coney Island; a merry-go-round inspires Walt Disney.

The team sets its sights on a famous Bermuda Triangle case: the twin vanishings of two massive cargo ships; in 1941, the USS Proteus disappears after crossing the Bermuda Triangle; two weeks later, the USS Nereus, also drops off the Earth.

Personal stories of what it was like to be a soldier during WWII; eyewitness accounts of deadly combat situations on land, sea and air.

The first amusement park has its roots all the way back in 1133; Catherine the Great is considered the forerunner of modern roller coasters; the Chicago World's Fair of 1893 inspires the birth of Coney Island; a merry-go-round inspires Walt Disney.

A customer walks into the shop with a camera that shot the first footage of Elvis; Chum tries to dig up some info on a mysterious fossil; Rick tries to strike black gold with a Standard Oil stock certificate.

Troy answers an urgent call from his longtime friend and fellow swamper, Daniel Edgar, who has discovered a mysterious threat to the alligator population; together, the duo investigates, uncovering clues that point to a suspicious culprit.

While hunting for meat, Mike crosses paths with a prowling brown bear and her cub. Chance races the first snow to finish his livestock barn. Lauro and Neil smash through thick river ice to harvest beaver and fish. Bret and Ivy scale their cabin roof to install solar panels and power their homestead with clean energy. Meanwhile, Paul hits the jackpot on his coyote and beaver traplines.

Troy answers an urgent call from his longtime friend and fellow swamper, Daniel Edgar, who has discovered a mysterious threat to the alligator population; together, the duo investigates, uncovering clues that point to a suspicious culprit.

Gold, the shiny precious metal that has been cherished through all recorded time, is vital to the modern world; if gold was suddenly stripped away, the technological and cultural world would be left reeling.

Three stories of the untapped power of the human brain.

Stressed, Chris and Nika butt heads; Cam faces machine failures and contaminated fuel; Ken and Guillaume find traces of gold.

Gold, the shiny precious metal that has been cherished through all recorded time, is vital to the modern world; if gold was suddenly stripped away, the technological and cultural world would be left reeling.

Three stories of the untapped power of the human brain.

Stressed, Chris and Nika butt heads; Cam faces machine failures and contaminated fuel; Ken and Guillaume find traces of gold.

When an outfit supposedly worn by Alice Cooper hits the counter, it'll be No More Mr. Nice Guy as Rick tries to land a deal; Chum gets mercenary when he makes an offer on a 7-foot tall Deadpool PEZ dispenser.

Mike journeys to an uninhabited island to hunt a herd of wild buffalo with help from the local natives; Lauro pushes himself training for the upcoming Iditarod with a grueling 260-mile run through the Alaskan wilderness.

Featuring accounts of people who claim they were stalked, attacked or even taken by threats from beyond our world, because not all monsters come from the woods, sometimes they come from above.

Ancient Astronaut theorists Giorgio Tsoukalos, William Henry and Jason Martell delve into the archives to reveal compelling evidence of ancient flying machines and explore the possibility that these extraterrestrial close encounters persist.

Troy's grandsons report strange bites on their legs while swimming at a beloved swimming hole; concerned, Troy investigates, enlisting the help of his friend, Don, to track down the mysterious culprit.

Mike journeys to an uninhabited island to hunt a herd of wild buffalo with help from the local natives; Lauro pushes himself training for the upcoming Iditarod with a grueling 260-mile run through the Alaskan wilderness.

When an outfit supposedly worn by Alice Cooper hits the counter, it'll be No More Mr. Nice Guy as Rick tries to land a deal; Chum gets mercenary when he makes an offer on a 7-foot tall Deadpool PEZ dispenser.

Featuring accounts of people who claim they were stalked, attacked or even taken by threats from beyond our world, because not all monsters come from the woods, sometimes they come from above.

Ancient Astronaut theorists Giorgio Tsoukalos, William Henry and Jason Martell delve into the archives to reveal compelling evidence of ancient flying machines and explore the possibility that these extraterrestrial close encounters persist.

Featuring accounts of people who claim they were stalked, attacked or even taken by threats from beyond our world, because not all monsters come from the woods, sometimes they come from above.

Ancient Astronaut theorists Giorgio Tsoukalos, William Henry and Jason Martell delve into the archives to reveal compelling evidence of ancient flying machines and explore the possibility that these extraterrestrial close encounters persist.

When an outfit supposedly worn by Alice Cooper hits the counter, it'll be No More Mr. Nice Guy as Rick tries to land a deal; Chum gets mercenary when he makes an offer on a 7-foot tall Deadpool PEZ dispenser.

Troy's grandsons report strange bites on their legs while swimming at a beloved swimming hole; concerned, Troy investigates, enlisting the help of his friend, Don, to track down the mysterious culprit.

Mike journeys to an uninhabited island to hunt a herd of wild buffalo with help from the local natives; Lauro pushes himself training for the upcoming Iditarod with a grueling 260-mile run through the Alaskan wilderness.

Troy's grandsons report strange bites on their legs while swimming at a beloved swimming hole; concerned, Troy investigates, enlisting the help of his friend, Don, to track down the mysterious culprit.

Glass brought light into homes and put the world into focus; people use glass to protect ourselves, cure disease, and create artistic masterpieces.

Ancient artifacts that could change history.

Cam hits permafrost, forcing him to shut down the plant; Ken and Guillaume abandon Arizona Creek; Karl gambles with broken equipment.

Glass brought light into homes and put the world into focus; people use glass to protect ourselves, cure disease, and create artistic masterpieces.

Ancient artifacts that could change history.

Cam hits permafrost, forcing him to shut down the plant; Ken and Guillaume abandon Arizona Creek; Karl gambles with broken equipment.

A seller comes into the shop with some chef whites signed by the actor who played the Soup Nazi on "Seinfeld"; Corey tries to make a surreally good deal on a Dali lithograph from a collaboration with Walt Disney.

Lauro begins the longest Iditarod in the history of the famous sled dog race; Mike hunts elusive and rare silver foxes along the shoreline of Kodiak Island; Chance works to support his family through sub-zero temperatures on the trapline while Soraya prepares for the imminent arrival of their new baby; after a lifetime in the wild, Tom finally contemplates retiring from trapping; Jake has a terrifying day when his dog takes a 50-foot dive from a tree.

As historic floodwaters from the north swallow the bayou, Troy and Pickle struggle with drowned lines, until a lesson from a late swamp legend gives them a fighting chance; Bruce and Anna try to lure in migrating giants with a potent secret sauce; team Edgar pulls double duty, after pulling an all-nighter on a shrimp boat, Joey and Kallie battle exhaustion and rising water, while Daniel and Zak reignite their fierce rod-and-reel rivalry in a high-stakes showdown.

After the team makes an ancient discovery on Lot 5, they learn that the fabled treasure could be worth more than anyone imagined.

New discoveries in the Swamp and Money Pit area lead to a potentially history-changing revelation for the team.

Troy gets an urgent call for help from his friends Leron and Porkchop to solve a chilling mystery; something is drawing ravenous wild hogs to an ancient cemetery, luring them to unearth graves that date back over 200 years.

Lauro begins the longest Iditarod in the history of the famous sled dog race; Mike hunts elusive and rare silver foxes along the shoreline of Kodiak Island; Chance works to support his family through sub-zero temperatures on the trapline while Soraya prepares for the imminent arrival of their new baby; after a lifetime in the wild, Tom finally contemplates retiring from trapping; Jake has a terrifying day when his dog takes a 50-foot dive from a tree.

A seller comes into the shop with some chef whites signed by the actor who played the Soup Nazi on "Seinfeld"; Corey tries to make a surreally good deal on a Dali lithograph from a collaboration with Walt Disney.

As historic floodwaters from the north swallow the bayou, Troy and Pickle struggle with drowned lines, until a lesson from a late swamp legend gives them a fighting chance; Bruce and Anna try to lure in migrating giants with a potent secret sauce; team Edgar pulls double duty, after pulling an all-nighter on a shrimp boat, Joey and Kallie battle exhaustion and rising water, while Daniel and Zak reignite their fierce rod-and-reel rivalry in a high-stakes showdown.

After the team makes an ancient discovery on Lot 5, they learn that the fabled treasure could be worth more than anyone imagined.

New discoveries in the Swamp and Money Pit area lead to a potentially history-changing revelation for the team.

As historic floodwaters from the north swallow the bayou, Troy and Pickle struggle with drowned lines, until a lesson from a late swamp legend gives them a fighting chance; Bruce and Anna try to lure in migrating giants with a potent secret sauce; team Edgar pulls double duty, after pulling an all-nighter on a shrimp boat, Joey and Kallie battle exhaustion and rising water, while Daniel and Zak reignite their fierce rod-and-reel rivalry in a high-stakes showdown.

After the team makes an ancient discovery on Lot 5, they learn that the fabled treasure could be worth more than anyone imagined.

New discoveries in the Swamp and Money Pit area lead to a potentially history-changing revelation for the team.

A seller comes into the shop with some chef whites signed by the actor who played the Soup Nazi on "Seinfeld"; Corey tries to make a surreally good deal on a Dali lithograph from a collaboration with Walt Disney.

Troy gets an urgent call for help from his friends Leron and Porkchop to solve a chilling mystery; something is drawing ravenous wild hogs to an ancient cemetery, luring them to unearth graves that date back over 200 years.

Lauro begins the longest Iditarod in the history of the famous sled dog race; Mike hunts elusive and rare silver foxes along the shoreline of Kodiak Island; Chance works to support his family through sub-zero temperatures on the trapline while Soraya prepares for the imminent arrival of their new baby; after a lifetime in the wild, Tom finally contemplates retiring from trapping; Jake has a terrifying day when his dog takes a 50-foot dive from a tree.

Troy gets an urgent call for help from his friends Leron and Porkchop to solve a chilling mystery; something is drawing ravenous wild hogs to an ancient cemetery, luring them to unearth graves that date back over 200 years.

With the biggest storm in centuries only a few days away, the truckers race for loads; Art and Todd set out to prove themselves.

The truckers race to deliver their loads while a massive storm approaches; Lisa and Art face a deadly shutdown; Darrell and Todd's feud threatens to rip team Polar apart.

Dale has to confront his past in a desperate attempt to keep his failing business alive; Dave has a meltdown stranded on a back road with a heavy load; Craig gets greasy on a biodiesel run with his girlfriend's truck.

With the biggest storm in centuries only a few days away, the truckers race for loads; Art and Todd set out to prove themselves.

The truckers race to deliver their loads while a massive storm approaches; Lisa and Art face a deadly shutdown; Darrell and Todd's feud threatens to rip team Polar apart.

Dale has to confront his past in a desperate attempt to keep his failing business alive; Dave has a meltdown stranded on a back road with a heavy load; Craig gets greasy on a biodiesel run with his girlfriend's truck.

Steve retraces the perilous journey of the Donner Party through the unforgiving Sierra Nevada Mountains, where 19th-century pioneers were trapped by brutal winter storms; Steve faces the snow-covered terrain to explore the survival tactics.

Steve explores the arid deserts of the Four Corners region, investigating monumental ancestral Puebloan sites like Chaco Canyon and Mesa Verde.

Near Steve's cabin on Prince of Wales Island lies evidence of one of humanity's greatest milestones, human's arrival in the Americas; drawing on his deep expertise in this rugged environment, Steve investigates when the first Americans arrived.

Steve journeys to Oregon's remote ranches to investigate the mystery of cattle mutilations; drawing on his understanding of the natural world and a hunter's perspective, he examines who is behind these surgically precise deaths.

Returning to his Michigan roots, Steve investigates the mystery of Le Griffon, the legendary lost ship of the Great Lakes that has fascinated him since childhood; using his local knowledge and maritime expertise, he navigates shipwrecks and clues.

Steve investigates the 1972 disappearance of the Begich/Boggs flight, a case that sparked the largest search in Alaska's history.

Steve retraces the perilous journey of the Donner Party through the unforgiving Sierra Nevada Mountains, where 19th-century pioneers were trapped by brutal winter storms; Steve faces the snow-covered terrain to explore the survival tactics.

Steve explores the arid deserts of the Four Corners region, investigating monumental ancestral Puebloan sites like Chaco Canyon and Mesa Verde.

Near Steve's cabin on Prince of Wales Island lies evidence of one of humanity's greatest milestones, human's arrival in the Americas; drawing on his deep expertise in this rugged environment, Steve investigates when the first Americans arrived.

Steve journeys to Oregon's remote ranches to investigate the mystery of cattle mutilations; drawing on his understanding of the natural world and a hunter's perspective, he examines who is behind these surgically precise deaths.

Returning to his Michigan roots, Steve investigates the mystery of Le Griffon, the legendary lost ship of the Great Lakes that has fascinated him since childhood; using his local knowledge and maritime expertise, he navigates shipwrecks and clues.

Steve investigates the 1972 disappearance of the Begich/Boggs flight, a case that sparked the largest search in Alaska's history.

Steve retraces the perilous journey of the Donner Party through the unforgiving Sierra Nevada Mountains, where 19th-century pioneers were trapped by brutal winter storms; Steve faces the snow-covered terrain to explore the survival tactics.

Steve explores the arid deserts of the Four Corners region, investigating monumental ancestral Puebloan sites like Chaco Canyon and Mesa Verde.

Near Steve's cabin on Prince of Wales Island lies evidence of one of humanity's greatest milestones, human's arrival in the Americas; drawing on his deep expertise in this rugged environment, Steve investigates when the first Americans arrived.

Steve journeys to Oregon's remote ranches to investigate the mystery of cattle mutilations; drawing on his understanding of the natural world and a hunter's perspective, he examines who is behind these surgically precise deaths.

Returning to his Michigan roots, Steve investigates the mystery of Le Griffon, the legendary lost ship of the Great Lakes that has fascinated him since childhood; using his local knowledge and maritime expertise, he navigates shipwrecks and clues.

Steve investigates the 1972 disappearance of the Begich/Boggs flight, a case that sparked the largest search in Alaska's history.

Ken's wife visits the camp; Guillaume has trouble moving the giant sluice machine; Karl's hopes for a big payday continue to fade as the season reaches the halfway point; Big Al tries to get Big Girl working again.

Ken moves across Moose Creek in an effort to change his luck; tension grows as Bernie's junior crew makes mistakes; Karl's night crew slows him down.

As winter tightens its icy grip, the small, isolated community of West Dawson finds itself completely cut off from emergency services; alone, Ray faces a string of dangerous solo vehicle retrieval missions on a storm-battered highway.

Ken's wife visits the camp; Guillaume has trouble moving the giant sluice machine; Karl's hopes for a big payday continue to fade as the season reaches the halfway point; Big Al tries to get Big Girl working again.

Ken moves across Moose Creek in an effort to change his luck; tension grows as Bernie's junior crew makes mistakes; Karl's night crew slows him down.

As winter tightens its icy grip, the small, isolated community of West Dawson finds itself completely cut off from emergency services; alone, Ray faces a string of dangerous solo vehicle retrieval missions on a storm-battered highway.

The 10 survivalists of "Alone: Africa" embark on their journey from orientation camp to Launch; they familiarize themselves with the Great Karoo Desert and the trials and tribulations that await them.

Ten new participants must survive in the Great Karoo desert as they face extreme temperatures, new species of predators and a host of exhausting challenges; a survivalist gets hit with a debilitating infection.

Faced with skittish game and unfamiliar plants, the final group of survivalists quickly learns their earliest strategies will be met with unforgiving resistance.

The Karoo Desert's heat and lack of shade continue to force the survivalists to focus on water or risk dehydration.

As the tumultuous first week nears its end, the remaining survivalists focus on regaining their footing.

The survivalists finally begin to cash in on food as game proves to be plentiful; this prosperity is short-lived, however, as dark clouds loom in the distance.

In the aftermath of a freak storm, the remaining survivalists take stock of their place in the game; one participant takes a risk on an ambitious shelter, while another unknowingly finds themselves poised on a knife's edge.

Starvation and exhaustion push the survivalists to their limits as wild game taunts them at every turn; while one participant looks for a reason to carry on, another teeters on the edge of their breaking point.

The remaining three survivalists continue to push their limits as they reach nearly a month in the Great Karoo Desert; one participant loses the use of a major tool and all their hope along with it; another faces a major setback.

Burdened by a string of bad luck, the remaining participants find their chances of success begin to slip away; one survivalist addresses a ruined shelter, while another must find a way to avoid starvation after losing the strength to draw their bow.

The remaining survivalists make a final push to the finish line; one survivalist, desperate for food, finds promise in the local antelope, while another contends with the emotional burden of leaving their family.

Ken's wife visits the camp; Guillaume has trouble moving the giant sluice machine; Karl's hopes for a big payday continue to fade as the season reaches the halfway point; Big Al tries to get Big Girl working again.

Ken moves across Moose Creek in an effort to change his luck; tension grows as Bernie's junior crew makes mistakes; Karl's night crew slows him down.

Ten new participants must survive in the Great Karoo desert as they face extreme temperatures, new species of predators and a host of exhausting challenges; a survivalist gets hit with a debilitating infection.

Faced with skittish game and unfamiliar plants, the final group of survivalists quickly learns their earliest strategies will be met with unforgiving resistance.

The remaining survivalists make a final push to the finish line; one survivalist, desperate for food, finds promise in the local antelope, while another contends with the emotional burden of leaving their family.

With the biggest storm in centuries only a few days away, the truckers race for loads; Art and Todd set out to prove themselves.

A man is caught in the collapse of the World Trade Center; a freak rail accident slices a man in half; a hippo attacks a safari guide in Zimbabwe.

Chris and Nika face financial hardship; Cam's son-in-law is determined to find gold; Ken and Guillaume make a deal with a mining veteran.

With the biggest storm in centuries only a few days away, the truckers race for loads; Art and Todd set out to prove themselves.

A man is caught in the collapse of the World Trade Center; a freak rail accident slices a man in half; a hippo attacks a safari guide in Zimbabwe.

Chris and Nika face financial hardship; Cam's son-in-law is determined to find gold; Ken and Guillaume make a deal with a mining veteran.

Hit the road with Rick, Corey and Chum as they visit places and find many collections; by land, sea or air the guys travel coast to coast in search of some items.

Marty rebuilds a snowmobile from scratch before facing off with a wolverine menace on his trapline; Lauro feels the fatigue on the Iditarod trail and makes a wrong turn in the dark; Bret and Ivy ascend high into the Alaska Range to hunt Dall sheep.

Matt's team is hunting 1950s Volkswagens by any means necessary, even scaling a ravine or craning over treetops.

Danny takes on a Route 66-inspired Chevy; Danny teams up with Rick Dale on an unusual project for a customer.

A high wire performer wants Danny to build a bike to commemorate his career; an extreme cowboy racer wants the world's coolest trailer tricked out for her horse.

Rick checks out a horde of coins from Kentucky; Chum gets into the spirit when a mentalist brings in a magical clock.

Troy Landry's old family friend, Mr. Sterling, reveals a tantalizing story about a treasure chest said to have been lost in a Louisiana bayou over 75 years ago.

Marty rebuilds a snowmobile from scratch before facing off with a wolverine menace on his trapline; Lauro feels the fatigue on the Iditarod trail and makes a wrong turn in the dark; Bret and Ivy ascend high into the Alaska Range to hunt Dall sheep.

Hit the road with Rick, Corey and Chum as they visit places and find many collections; by land, sea or air the guys travel coast to coast in search of some items.

Matt's team is hunting 1950s Volkswagens by any means necessary, even scaling a ravine or craning over treetops.

Danny takes on a Route 66-inspired Chevy; Danny teams up with Rick Dale on an unusual project for a customer.

A high wire performer wants Danny to build a bike to commemorate his career; an extreme cowboy racer wants the world's coolest trailer tricked out for her horse.

Rick checks out a horde of coins from Kentucky; Chum gets into the spirit when a mentalist brings in a magical clock.

Matt's team is hunting 1950s Volkswagens by any means necessary, even scaling a ravine or craning over treetops.

Danny takes on a Route 66-inspired Chevy; Danny teams up with Rick Dale on an unusual project for a customer.

A high wire performer wants Danny to build a bike to commemorate his career; an extreme cowboy racer wants the world's coolest trailer tricked out for her horse.

Rick checks out a horde of coins from Kentucky; Chum gets into the spirit when a mentalist brings in a magical clock.

Hit the road with Rick, Corey and Chum as they visit places and find many collections; by land, sea or air the guys travel coast to coast in search of some items.

Troy Landry's old family friend, Mr. Sterling, reveals a tantalizing story about a treasure chest said to have been lost in a Louisiana bayou over 75 years ago.

Marty rebuilds a snowmobile from scratch before facing off with a wolverine menace on his trapline; Lauro feels the fatigue on the Iditarod trail and makes a wrong turn in the dark; Bret and Ivy ascend high into the Alaska Range to hunt Dall sheep.

Troy Landry's old family friend, Mr. Sterling, reveals a tantalizing story about a treasure chest said to have been lost in a Louisiana bayou over 75 years ago.

The truckers race to deliver their loads while a massive storm approaches; Lisa and Art face a deadly shutdown; Darrell and Todd's feud threatens to rip team Polar apart.

A woman and her son encounter the legendary Jersey Devil; a giant reptile terrorizes a South Carolina town; a creature resembling a werewolf is spotted in Wisconsin.

Karl hopes to make a profit at Last Chance; Chris and Nika move to Stowe Creek; Cam and his wife melt the gold they've collected and find they're way below their target.

The truckers race to deliver their loads while a massive storm approaches; Lisa and Art face a deadly shutdown; Darrell and Todd's feud threatens to rip team Polar apart.

A woman and her son encounter the legendary Jersey Devil; a giant reptile terrorizes a South Carolina town; a creature resembling a werewolf is spotted in Wisconsin.

Karl hopes to make a profit at Last Chance; Chris and Nika move to Stowe Creek; Cam and his wife melt the gold they've collected and find they're way below their target.

Chumlee's antics catch up to him when he makes a bad purchase that loses the shop money.

Lauro barrels to the finish line of the Iditarod along the frozen Bering Sea coast; Mike fights to salvage his Kodiak Island homestead after a bear invasion; Chance makes a push into uncharted territory on his trapline; Jake corners a tomcat.

The origins of history's deadliest games, from Roman blood sports to Russian roulette.

Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

Troy Landry gets a call for help from anthropologist Dr. Duke Beasley who is on a mission to uncover lost cemeteries buried deep in the Louisiana swamps; journeying into the heart of the swamp to track down these vanishing grave sites.

Lauro barrels to the finish line of the Iditarod along the frozen Bering Sea coast; Mike fights to salvage his Kodiak Island homestead after a bear invasion; Chance makes a push into uncharted territory on his trapline; Jake corners a tomcat.

Chumlee's antics catch up to him when he makes a bad purchase that loses the shop money.

The origins of history's deadliest games, from Roman blood sports to Russian roulette.

Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

The origins of history's deadliest games, from Roman blood sports to Russian roulette.

Booth family members share family lore, and what they believe is evidence of the assassin's escape, passed down through generations.

Chumlee's antics catch up to him when he makes a bad purchase that loses the shop money.

Troy Landry gets a call for help from anthropologist Dr. Duke Beasley who is on a mission to uncover lost cemeteries buried deep in the Louisiana swamps; journeying into the heart of the swamp to track down these vanishing grave sites.

Lauro barrels to the finish line of the Iditarod along the frozen Bering Sea coast; Mike fights to salvage his Kodiak Island homestead after a bear invasion; Chance makes a push into uncharted territory on his trapline; Jake corners a tomcat.

Troy Landry gets a call for help from anthropologist Dr. Duke Beasley who is on a mission to uncover lost cemeteries buried deep in the Louisiana swamps; journeying into the heart of the swamp to track down these vanishing grave sites.

A storm delivers deadly driving conditions as the truckers struggle to deliver their loads.

A Mexican rancher kills a strange creature; an Arizona woman claims she is the daughter of an alien; extraterrestrials are befriended by a serviceman.

Chris and Nika's mine hand Charles gets injured, leaving them short-handed; Cam gives Donovan Cut one final try to save his season; Ken and Guillaume up their recovery system in hopes of catching finer gold.

A storm delivers deadly driving conditions as the truckers struggle to deliver their loads.

A Mexican rancher kills a strange creature; an Arizona woman claims she is the daughter of an alien; extraterrestrials are befriended by a serviceman.

Chris and Nika's mine hand Charles gets injured, leaving them short-handed; Cam gives Donovan Cut one final try to save his season; Ken and Guillaume up their recovery system in hopes of catching finer gold.

Chasing deals from the Sin City, Rick flies through the desert in a restored Piper plane while Corey spots a killer Mustang for sale.

Lauro embarks on a new solo adventure with his dog team across the unforgiving Arctic wilderness; Bret and Ivy run into trouble when their traps vanish under several feet of solid ice; Chance's bold push into new trapping territory pays off big, leaving him and Soraya with a haul of marten to skin; Jake chases down the giant tom lion that gave him the slip a week earlier; Paul taps the raw power of pure skunk essence to concoct his most potent trapping lure yet.

The team seeks out the wreck of the Revonoc, a racing yacht that vanished in 1958 with a crew of five; a freak magnetic anomaly was detected in the Triangle when she went missing.

A new ground-breaking expedition heads back to the frozen seas to hunt down Shackleton's lost ship.

Troy and his crew return to the Louisiana swamps to extract the valuable treasure trove of old-growth cypress logs they discovered; determined to capitalize on a rare spell of high water, they follow a map to relocate the wood.

Lauro embarks on a new solo adventure with his dog team across the unforgiving Arctic wilderness; Bret and Ivy run into trouble when their traps vanish under several feet of solid ice; Chance's bold push into new trapping territory pays off big, leaving him and Soraya with a haul of marten to skin; Jake chases down the giant tom lion that gave him the slip a week earlier; Paul taps the raw power of pure skunk essence to concoct his most potent trapping lure yet.

Chasing deals from the Sin City, Rick flies through the desert in a restored Piper plane while Corey spots a killer Mustang for sale.