A father and son team of bush aviators flies a NASA expedition into the wilderness; a rookie airline pilot attempts a landing on a remote island; a seaplane mechanic starts a helicopter repair business and customs agents.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

A trip goes wrong when a pilot's Piper Super Cub crashes into a treacherous waterway.

A father and son team of bush aviators flies a NASA expedition into the wilderness; a rookie airline pilot attempts a landing on a remote island; a seaplane mechanic starts a helicopter repair business and customs agents.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

A journey down one of the wild rivers in the world, the Yukon; the unusual trip starts in an aircraft piloted by a painter and the odyssey ends with a visit to a graveyard of disintegrating rear-wheel steamers.

Witness animal spectacles from high above the Earth; watch a whirling herd of northern nomads; see undersea behemoths show off in the Pacific shallows; track a U.S. porcine stampede; confront top ocean predators on the Florida coast.

In rough water, salvors scramble to retrieve a cruise ship's anchor lost at sea; teams hope to salvage cherished floating homes damaged by hurricane Sandy.

Traveling from the northern point of Baffin Island onto the brilliant waters of Admiralty Inlet and ending up in the northern desert hamlet of Gjoa Haven.

Examining how cosmic rays are produced and what that can tell us about the universe.

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In rough water, salvors scramble to retrieve a cruise ship's anchor lost at sea; teams hope to salvage cherished floating homes damaged by hurricane Sandy.

Traveling from the northern point of Baffin Island onto the brilliant waters of Admiralty Inlet and ending up in the northern desert hamlet of Gjoa Haven.

Stumble upon the largest Anglo-Saxon hoard in the wake of an ominous storm, then assess a precious stone's bloody curse. Discover the unforeseen consequences of disturbing an immortal Chinese army and get mesmerized by a divisive Egyptian sculpture.

Phil Risko's team at Northstar works fast to refloat a trawler that's been blown onto the shore of a national park in New Jersey; the team improvises to get it back to sea before it suffers further damage.

A look at how first ladies have changed their role through activism, brains and toughness.

Stumble upon the largest Anglo-Saxon hoard in the wake of an ominous storm, then assess a precious stone's bloody curse. Discover the unforeseen consequences of disturbing an immortal Chinese army and get mesmerized by a divisive Egyptian sculpture.

On July 3, 1940, the British fleet attacks the French navy at Mers el-Kébir, Algeria; in ten minutes, Bretagne sank, Mogador was destroyed, and Provence and Dunkerque were grounded.

A look at how first ladies have changed their role through activism, brains and toughness.

Investigating the seasonality of nomadic life and how traditional animal practices helped Mongol armies outmanoeuvre their enemies; a look at Genghis Khan's trade and communication strategies and the empire's fate after his death in 1227.

An exploration of the Cyclades in the Aegean Sea; exploring the tourist hotspots of Mykonos and Santoríni to Náxos and Amorgós.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

A helicopter security team flees extreme weather. A bush pilot faces a test that will determine his aviation future. UN aviators fly emergency missions over Madagascar, and vets take to the skies for a flight to save the Black Rhino from extinction.

An exploration of the Cyclades in the Aegean Sea; exploring the tourist hotspots of Mykonos and Santoríni to Náxos and Amorgós.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

A helicopter security team flees extreme weather. A bush pilot faces a test that will determine his aviation future. UN aviators fly emergency missions over Madagascar, and vets take to the skies for a flight to save the Black Rhino from extinction.

Evidence is lost to a fire after a Cessna crash on a public road, challenging investigators.

An exploration of the Cyclades in the Aegean Sea; exploring the tourist hotspots of Mykonos and Santoríni to Náxos and Amorgós.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

A helicopter security team flees extreme weather. A bush pilot faces a test that will determine his aviation future. UN aviators fly emergency missions over Madagascar, and vets take to the skies for a flight to save the Black Rhino from extinction.

Meandering through the black waters of a primordial river immortalized in a folk song.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

The team must remove thousands of wrecked cars from the hull before it becomes an environmental disaster; repairing a vessel before the waters of the River Solent flood the hull.

Explore the Nunavut community of Gjoa Haven then head west on approach to the central Arctic hub of Cambridge Bay.

The Fermi Paradox asks why another civilization has not presented itself.

Paid programming.

Crews work around the clock to build the world's largest underwater concrete bed to salvage the Costa Concordia; operating in secrecy, teams work under high security to repair one of the world's most iconic cruise liners.

Explore the Nunavut community of Gjoa Haven then head west on approach to the central Arctic hub of Cambridge Bay.

Unearthing a doomed ice age discovery in Russia's Arctic; unveiling a Dutch painting that spells misfortune; digging up a king's unlikely final resting place in an English marsh.

At the mouth of the Suez Canal, Lino Arosemena and his crew have a monster repair job of removing and refitting a 20-ton propeller.

An unprecedented consumer boom with children being marketed by television directly in their living rooms.

Unearthing a doomed ice age discovery in Russia's Arctic; unveiling a Dutch painting that spells misfortune; digging up a king's unlikely final resting place in an English marsh.

A look at experimental ships and revolutionary designers that have changed the tide of war through the centuries.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

A helicopter security team flees extreme weather. A bush pilot faces a test that will determine his aviation future. UN aviators fly emergency missions over Madagascar, and vets take to the skies for a flight to save the Black Rhino from extinction.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

The Navy's U.S.S. Macon flew in the 1930's, the golden age of airships, and was able to both launch and recover airplanes; telling the lost story of America's airships, their rapid rise, tragic demise, and the bold experiments in between.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

Examine mysterious holes in Isreal; explore a ghost village hidden in the Colombian jungle, a shipwreck off the coast of Sri Lanka and a gutted airplane fuselage abandoned in Iceland.

Salvaging a 50-foot motor yacht in Islamorda, Fla.; a 44-foot launch hung up on a dam on the Mississippi River; repairing a major storm gate in the British Isles.

Examining how cosmic rays are produced and what that can tell us about the universe.

Paid programming.

Examine mysterious holes in Isreal; explore a ghost village hidden in the Colombian jungle, a shipwreck off the coast of Sri Lanka and a gutted airplane fuselage abandoned in Iceland.

Salvaging a 50-foot motor yacht in Islamorda, Fla.; a 44-foot launch hung up on a dam on the Mississippi River; repairing a major storm gate in the British Isles.

West of Cambridge Bay, examine Nunavut's remote, northern waterways, from Dease Strait, to Bathurst inlet and then finally, the open waters of Coronation Gulf, and then to Kugluktuk.

Tallying the carnage that followed the disappearance of a Russian wonder; exploring Incan sacrificial rituals; studying a global rivalry sparked by an Egyptian stone; seeing the haunting paintings of a Spanish artist who descended into madness.

Veteran salvor Paul Hay and his team rescue a clam-dredging crew's harvest lost in a storm off the New Jersey coast; following an annual cleanup operation in New Zealand that salvages fishing equipment gone astray.

The creative revolution was born with new voices in advertising forcing integration and change during the civil rights movement.

Tallying the carnage that followed the disappearance of a Russian wonder; exploring Incan sacrificial rituals; studying a global rivalry sparked by an Egyptian stone; seeing the haunting paintings of a Spanish artist who descended into madness.

The legendary Battle of Trafalgar in 1805, which pitted Napoleon's French ships against a British armada under the command of Admiral Horatio Nelson.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators.

Marie Favereau reveals how the Mongols shaped the world and how a disease led to the empire's end.

New evidence found in Egyptian sacred sites is revealing secrets about a forgotten succession of powerful female priests.

Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators.

Marie Favereau reveals how the Mongols shaped the world and how a disease led to the empire's end.

New evidence found in Egyptian sacred sites is revealing secrets about a forgotten succession of powerful female priests.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators.

Marie Favereau reveals how the Mongols shaped the world and how a disease led to the empire's end.

New evidence found in Egyptian sacred sites is revealing secrets about a forgotten succession of powerful female priests.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

Examining Landsat 8, the advanced planetary explorer with a 900 million dollar price tag, which is designed to reveal complex and ever-changing details undetectable by the human eye.

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Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

The Western Nunavut region is one of the most sporadically-seen landscapes on Earth. We examine the community of Kugluktuk - Tukut Nogait National Park - and further west, the tiny hamlet of Paulatuk.

Unraveling centuries of bloodshed and avarice surrounding an unlucky Indian jewel; exploring a car where a Hollywood star met an untimely death; assessing the violent end of an English king's legacy and an ominous Assyrian curse etched in stone.

Capt. John Ward and his crew are called to raise a sunken houseboat near Pensacola, Fla.; the owner of the boat wants it back, but the current occupiers of the boat living in it don't want John's services; there've been reports of gunfire too.

The Regulation Revolution of the 1970s was a time when consumers got hip, government got involved, and advertisers got scared into action.

Unraveling centuries of bloodshed and avarice surrounding an unlucky Indian jewel; exploring a car where a Hollywood star met an untimely death; assessing the violent end of an English king's legacy and an ominous Assyrian curse etched in stone.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators.

New evidence found in Egyptian sacred sites is revealing secrets about a forgotten succession of powerful female priests.

In Norway, archaeologists, medieval experts and local boat builders have gathered to explore the secrets found in the skeletal remains of centuries-old Viking ships.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

In Norway, archaeologists, medieval experts and local boat builders have gathered to explore the secrets found in the skeletal remains of centuries-old Viking ships.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

When seen from above, the pyramids of Giza align with the stars; survivors of Katrina find rescue when least expected; a volcano burns bright blue; a forgotten beach reveals its secrets.

In Norway, archaeologists, medieval experts and local boat builders have gathered to explore the secrets found in the skeletal remains of centuries-old Viking ships.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

The journey down the attraction-packed Niagara River is filled with adventure and beauty; navigating the fascinating history and engineering of this border river between Canada and the United States, arriving at the world-famous Niagara Falls.

Come across a set of disturbingly familiar stone monoliths in Colombia, then explore a lost city in the Sierra Nevada de Santa Marta; puzzle over an ancient ruin in Corinth, Greece, and explore an old structure on a Maltese island.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

The Northern mainland coast of the Northwest Territories is a dazzling contrast in scenery - from the Smoking Hills of Bathurst peninsula - to the ethereal Tuktoyaktuk Peninsula - to the locality that shares its name.

Come across a set of disturbingly familiar stone monoliths in Colombia, then explore a lost city in the Sierra Nevada de Santa Marta; puzzle over an ancient ruin in Corinth, Greece, and explore an old structure on a Maltese island.

The journey down the attraction-packed Niagara River is filled with adventure and beauty; navigating the fascinating history and engineering of this border river between Canada and the United States, arriving at the world-famous Niagara Falls.

The Northern mainland coast of the Northwest Territories is a dazzling contrast in scenery - from the Smoking Hills of Bathurst peninsula - to the ethereal Tuktoyaktuk Peninsula - to the locality that shares its name.

Uncovers the origins of the curses surrounding the Fabergé eggs, the Unlucky Mummy and more in a historical journey from revolutionary Russia to Ancient Egypt.

John Ward and his crew are called to salvage a massive barge upturned by a storm in a canal; Hickory Scuba Divers work to salvage a valuable sailboat that's sunk at its mooring.

The 1980s were a time when greed was good, 24-hour sponsored programming was legal, and advertising became entertainment.

Uncovers the origins of the curses surrounding the Fabergé eggs, the Unlucky Mummy and more in a historical journey from revolutionary Russia to Ancient Egypt.

A look at key naval battles that have taken place in the Persian Gulf over the last 50 years and the warships involved, from both sides of the conflicts.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

Newly uncovered records reveal why the seemingly reliable plane was headed toward disaster and what could have been done to prevent it.

The inside story of how the AH/MH-6 evolved over the decades to become an irreplacable aircraft for the U.S. Military.

With thousands of German soldiers trapped in the Falaise Pocket, a small Canadian tank squadron tries to close off the escape route.

Newly uncovered records reveal why the seemingly reliable plane was headed toward disaster and what could have been done to prevent it.

The inside story of how the AH/MH-6 evolved over the decades to become an irreplacable aircraft for the U.S. Military.

With thousands of German soldiers trapped in the Falaise Pocket, a small Canadian tank squadron tries to close off the escape route.

Strange aquatic mammals populating a river in Columbia; a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast; a Boeing 727 jetliner hidden in a pine forest; an unusual pattern is discovered in the Nevada desert.

Newly uncovered records reveal why the seemingly reliable plane was headed toward disaster and what could have been done to prevent it.

The inside story of how the AH/MH-6 evolved over the decades to become an irreplacable aircraft for the U.S. Military.

With thousands of German soldiers trapped in the Falaise Pocket, a small Canadian tank squadron tries to close off the escape route.

How humans discovered the planets and how they became a complex solar system.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

A journey down one of the wild rivers in the world, the Yukon; the unusual trip starts in an aircraft piloted by a painter and the odyssey ends with a visit to a graveyard of disintegrating rear-wheel steamers.

Witness animal spectacles from high above the Earth; watch a whirling herd of northern nomads; see undersea behemoths show off in the Pacific shallows; track a U.S. porcine stampede; confront top ocean predators on the Florida coast.

How humans discovered the planets and how they became a complex solar system.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

The Western Nunavut region is one of the most sporadically-seen landscapes on Earth. We examine the community of Kugluktuk - Tukut Nogait National Park - and further west, the tiny hamlet of Paulatuk.

Witness animal spectacles from high above the Earth; watch a whirling herd of northern nomads; see undersea behemoths show off in the Pacific shallows; track a U.S. porcine stampede; confront top ocean predators on the Florida coast.

In rough water, salvors scramble to retrieve a cruise ship's anchor lost at sea; teams hope to salvage cherished floating homes damaged by hurricane Sandy.

A look at experimental ships and revolutionary designers that have changed the tide of war through the centuries.

The legendary Battle of Trafalgar in 1805, which pitted Napoleon's French ships against a British armada under the command of Admiral Horatio Nelson.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

A look at key naval battles that have taken place in the Persian Gulf over the last 50 years and the warships involved, from both sides of the conflicts.

Newly uncovered records reveal why the seemingly reliable plane was headed toward disaster and what could have been done to prevent it.

The inside story of how the AH/MH-6 evolved over the decades to become an irreplacable aircraft for the U.S. Military.

A platoon of American Buffalo Soldiers exceeds all expectations to advance on a Nazi-occupied castle in the foothills of Northern Italy.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

Allied convoys resupplying the Soviet Union navigate the Arctic, infested with U-boats and enemy aircraft.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

Allied convoys resupplying the Soviet Union navigate the Arctic, infested with U-boats and enemy aircraft.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

Allied convoys resupplying the Soviet Union navigate the Arctic, infested with U-boats and enemy aircraft.

Earth's closest neighbor, the moon, is the cosmic stepping stone to a future with the planets.

A fleet of spacecraft orbits, and sometimes lands on the surface of, Mars.

Meandering through the black waters of a primordial river immortalized in a folk song.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

Earth's closest neighbor, the moon, is the cosmic stepping stone to a future with the planets.

A fleet of spacecraft orbits, and sometimes lands on the surface of, Mars.

Explore the Nunavut community of Gjoa Haven then head west on approach to the central Arctic hub of Cambridge Bay.

Get a birds-eye view of a mysterious, massive explosion in China and a quickly melting glacier on Earths iciest continent; investigate a strange orange haze enveloping the Big Apple, then float over a toxic, too-hot-to-handle lake in New Zealand.

Crews work around the clock to build the world's largest underwater concrete bed to salvage the Costa Concordia; operating in secrecy, teams work under high security to repair one of the world's most iconic cruise liners.

Unearthing a doomed ice age discovery in Russia's Arctic; unveiling a Dutch painting that spells misfortune; digging up a king's unlikely final resting place in an English marsh.

Tallying the carnage that followed the disappearance of a Russian wonder; exploring Incan sacrificial rituals; studying a global rivalry sparked by an Egyptian stone; seeing the haunting paintings of a Spanish artist who descended into madness.

Unraveling centuries of bloodshed and avarice surrounding an unlucky Indian jewel; exploring a car where a Hollywood star met an untimely death; assessing the violent end of an English king's legacy and an ominous Assyrian curse etched in stone.

Uncovers the origins of the curses surrounding the Fabergé eggs, the Unlucky Mummy and more in a historical journey from revolutionary Russia to Ancient Egypt.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

Allied convoys resupplying the Soviet Union navigate the Arctic, infested with U-boats and enemy aircraft.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Revealing the truth behind the planet's ancient legends; touring an island covered in polar bears, twin craters in Greece, peeking at a supervolcano hidden under Yellowstone Park and examining an ocean formation that's eerily similar to Atlantis.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

Unlock an abandoned site on a remote Antarctic isle and check out mysterious shapes in the Finnish snow; puzzle over an inexplicable monolith in the far reaches of Norway, then get shocked by a blood-red frozen waterfall at the bottom of the world.

Jeremy Birch takes on a salvage to raise a vessel with a concrete hull; it's been in the Fraser River for a month, collecting silt and mud, adding 30 tons to its deadweight.

Journey along the MacKenzie River Delta southwest following the winter ice road before ending in the transportation and cultural hub of the area, Inuvik.

Jupiter, Saturn, Uranus and Neptune all have exotic atmospheres, liquid interiors and rings.

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Jeremy Birch takes on a salvage to raise a vessel with a concrete hull; it's been in the Fraser River for a month, collecting silt and mud, adding 30 tons to its deadweight.

Journey along the MacKenzie River Delta southwest following the winter ice road before ending in the transportation and cultural hub of the area, Inuvik.

German U-boats roam the seas in packs, threatening to starve Britain into submission during World War II.

Great Britain faces losing its battle for survival against German U-boats until a new source of intelligence turns the tide in 1941.

The German U-boat hunters become the hunted as advances in technology turn the tide in the Allies' favor.

German U-boats roam the seas in packs, threatening to starve Britain into submission during World War II.

New high-tech investigations uncover what sunk a World War I cruiser, a World War II submarine, a British destroyer from the Falklands War, and more.

Great Britain faces losing its battle for survival against German U-boats until a new source of intelligence turns the tide in 1941.

Marie Favereau reveals how the Mongols shaped the world and how a disease led to the empire's end.

An aerial tour over southern Greece celebrates its landscapes, its ancient and mythical past and the people who call it home.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

A rookie pilot flies passengers for the first time, airport staff battle to prevent bird strikes, a helicopter carries a heavy load over Johannesburg, and Africa's most skilled helicopter pilots fly low to protect rhinos from poachers.

An aerial tour over southern Greece celebrates its landscapes, its ancient and mythical past and the people who call it home.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

A rookie pilot flies passengers for the first time, airport staff battle to prevent bird strikes, a helicopter carries a heavy load over Johannesburg, and Africa's most skilled helicopter pilots fly low to protect rhinos from poachers.

Walking among colossal wonders scattered across the Earth's surface, including an ancient reptile skeleton, a massive head carving in the Alberta badlands, a giant South African footprint and a pentagram etched into a remote peninsula in Kazakhstan.

An aerial tour over southern Greece celebrates its landscapes, its ancient and mythical past and the people who call it home.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

A rookie pilot flies passengers for the first time, airport staff battle to prevent bird strikes, a helicopter carries a heavy load over Johannesburg, and Africa's most skilled helicopter pilots fly low to protect rhinos from poachers.

New York's Hudson River stretches 315 miles through natural landscapes, from the Adirondack Mountains to the George Washington Bridge and Statue of Liberty.

The view from above reveals baffling behavior from one of the ocean's fastest fish; whales with a strange, aquatic accessorizing habit; a confounding congregation of sharks down under; a perplexing collection of circles decorating the seabed.

Chris Ward sets out with Josh Moreira and Ward's younger brother to salvage a light aircraft that's sitting on the seabed; Jeremy Birch braves the arctic conditions to salvage two vessels that have fallen prey to the crushing ice conditions.

From the district of Inuvik - travel west - above the MacKenzie Delta - open tundra - and the Richardson Mountains - to the northernmost land separating Canada and the US.

The history of the solar system might be preserved out in the dark domain of Pluto and beyond.

Paid programming.

Chris Ward sets out with Josh Moreira and Ward's younger brother to salvage a light aircraft that's sitting on the seabed; Jeremy Birch braves the arctic conditions to salvage two vessels that have fallen prey to the crushing ice conditions.

From the district of Inuvik - travel west - above the MacKenzie Delta - open tundra - and the Richardson Mountains - to the northernmost land separating Canada and the US.

Discover why the desire to capture Nazi weapon technology turns the U.S. and USSR from WW II allies into Cold War enemies; look at how the superpowers try to gain an Arctic foothold, from guerrilla warfare to intelligence schemes to nuclear arms.

A different view of the events in the Arctic during World War II, with countless unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

A different view of the events in the Arctic during World War II, with countless unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

Discover why the desire to capture Nazi weapon technology turns the U.S. and USSR from WW II allies into Cold War enemies; look at how the superpowers try to gain an Arctic foothold, from guerrilla warfare to intelligence schemes to nuclear arms.

A look at how navy weapons have evolved over the centuries, from cannons to gun turrets to nuclear missiles and beyond.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

A rookie pilot flies passengers for the first time, airport staff battle to prevent bird strikes, a helicopter carries a heavy load over Johannesburg, and Africa's most skilled helicopter pilots fly low to protect rhinos from poachers.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

The hunt for the missing flag draped over USA goalie after the hockey team won Olympic gold in 1980.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

Bill Nighy narrates a trip along the River Po, traveling across northern Italy from the snow-capped Alps to the delta where it meets the Adriatic Sea.

The view from above reveals a derelict complex of pod-like structures with seemingly alien origins; a bewildering concrete construction in the mountains of Bosnia; a puzzling collection of out of place shapes discarded in the wilds of Greenland.

Bundles of cedar wood tree trunks are smashed apart, releasing thousands of logs on the shoreline; Jeremy and his crew must work fast to recover the cargo.

Jupiter, Saturn, Uranus and Neptune all have exotic atmospheres, liquid interiors and rings.

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The view from above reveals a derelict complex of pod-like structures with seemingly alien origins; a bewildering concrete construction in the mountains of Bosnia; a puzzling collection of out of place shapes discarded in the wilds of Greenland.

Bundles of cedar wood tree trunks are smashed apart, releasing thousands of logs on the shoreline; Jeremy and his crew must work fast to recover the cargo.

Heading south from Inuvik, NWT - we embark on one of the world's great road trips - following the Northern half of the Dempster Highway - from Inuvik to the Arctic Circle.

Look at the opening acts of WW II as the Soviets launch their Winter War in Finland; see why the global media focused on the grim, snowy fighting while the Axis turned its eyes toward neighboring Norway and the rich mineral wealth of the north.

The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

The scale of World War II grows as the United States joins the war; explore the operations where Allied commando troops raid the Norwegian coast.

A look at Naval warfare's fastest combat ships and how the advantage of speed determined the outcome of some of the great seas battles of the last 150 years.

Mike works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.