Smithsonian Channel

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

Investigating whether the pharaoh who ordered the building of the Great Pyramid of Giza was really the tyrant he was said to be.

When a woman is found dead in the cellar of an Edinburgh doctor in 1828, police uncover a murky world where murders are being committed for money.

In an attempt to view the cosmos beyond the scope of human vision, infrared light and gamma radiation are used.

Advanced telescopes capture images of the night sky from the 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.

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.

In an attempt to view the cosmos beyond the scope of human vision, infrared light and gamma radiation are used.

Advanced telescopes capture images of the night sky from the 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.

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.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

Look into the strange disappearance of the Lost Colony of Roanoke in 1590, then discover how the Hope Diamond was stolen during the French Revolution; pinpoint new clues that could explain why the USS Cyclops vanished in 1918 in the Bermuda Triangle.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Meidum is the least-known of the pyramids of Egypt as it stretches skywards to resemble a castle keep.

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

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

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

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

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

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

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

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

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.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

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.

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 Northern Lights tells the story of the makeup of the planet, the sun and possibly life on other planets.

Paid programming.

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.

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

The story of the greatest tank battle the world has ever seen.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

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

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

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

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Bill Nighy leads a magical journey in the Norfolk Broads along England's holiday river, the River Bure; discovering a watery world where both wildlife and recreation go hand in hand.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

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.

Bill Nighy leads a magical journey in the Norfolk Broads along England's holiday river, the River Bure; discovering a watery world where both wildlife and recreation go hand in hand.

Using computer simulations, it is possible to fly over other worlds and see how galaxies interact.

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.

Examine how German soldiers used an erotic painting and other decoys to distract their captors as they tunnelled out of Island Farm POW camp in Wales; see how American bombardiers were smuggled out of Russia, and study a wartime Trojan Horse plot.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

The Great Pyramid of Giza, built for Khufu over 4,500 years ago, is the last standing Wonder; exclusive access unveils secret chambers, aiming to unravel its many mysteries.

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.

Exploring the final building phase of the Great Pyramid of Giza and the rituals that took place after a pharaoh dies.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

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

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.

Dictators are characterized as charismatic, narcissistic and sadistic, but most of all by their thirst for power; once in power, holding on to it requires negotiation, coercion and force.

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

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.

Dictators are characterized as charismatic, narcissistic and sadistic, but most of all by their thirst for power; once in power, holding on to it requires negotiation, coercion and force.

Exploring the final building phase of the Great Pyramid of Giza and the rituals that took place after a pharaoh dies.

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.

Dictators are characterized as charismatic, narcissistic and sadistic, but most of all by their thirst for power; once in power, holding on to it requires negotiation, coercion and force.

Exploring the final building phase of the Great Pyramid of Giza and the rituals that took place after a pharaoh dies.

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

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.

The Northern Lights tells the story of the makeup of the planet, the sun and possibly life on other planets.

Paid programming.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

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.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

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

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

Dictators are characterized as charismatic, narcissistic and sadistic, but most of all by their thirst for power; once in power, holding on to it requires negotiation, coercion and force.

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

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.

Dictators are characterized as charismatic, narcissistic and sadistic, but most of all by their thirst for power; once in power, holding on to it requires negotiation, coercion and force.

The engineering secrets behind the world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.

The Great Pyramid of Giza, built for Khufu over 4,500 years ago, is the last standing Wonder; exclusive access unveils secret chambers, aiming to unravel its many mysteries.

On the site of Dahshur, south of Cairo, are two revolutionary monuments which seem to be the first real pyramids.

The Great Pyramid of Giza, built for Khufu over 4,500 years ago, is the last standing Wonder; exclusive access unveils secret chambers, aiming to unravel its many mysteries.

On the site of Dahshur, south of Cairo, are two revolutionary monuments which seem to be the first real pyramids.

The Great Pyramid of Giza, built for Khufu over 4,500 years ago, is the last standing Wonder; exclusive access unveils secret chambers, aiming to unravel its many mysteries.

On the site of Dahshur, south of Cairo, are two revolutionary monuments which seem to be the first real pyramids.

Rumoured to be the cleanest river in Europe, few dispute it's the coldest; cascading down from the Dinaric Alps in Serbia, it soon crosses the border into Bosnia Herzegovina, where marine biologist and fisherman Sanel Riđanović casts for salmon.

Peek at landmarks in places where they shouldn't be; wing your way over an imperial pyramid in the Netherlands, a metal sphere in remote Russia, a lion shape carved into an English hillside and a bare swath cut through an Austrian forest.

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

The second largest planet is also a mini-solar system with 60 moons and those crazy rings.

Paid programming.

Peek at landmarks in places where they shouldn't be; wing your way over an imperial pyramid in the Netherlands, a metal sphere in remote Russia, a lion shape carved into an English hillside and a bare swath cut through an Austrian forest.

Rumoured to be the cleanest river in Europe, few dispute it's the coldest; cascading down from the Dinaric Alps in Serbia, it soon crosses the border into Bosnia Herzegovina, where marine biologist and fisherman Sanel Riđanović casts for salmon.

The story of the greatest tank battle the world has ever seen.

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.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

The engineering secrets behind the world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.

The Great Pyramid of Giza, built for Khufu over 4,500 years ago, is the last standing Wonder; exclusive access unveils secret chambers, aiming to unravel its many mysteries.

On the site of Dahshur, south of Cairo, are two revolutionary monuments which seem to be the first real pyramids.

The hot, dry extreme center of Australia is home to landscapes like nowhere else on Earth; fearsome apex predators, a town built by opals and Uluru, the cultural and spiritual heart of a nation.

Exhume chilling insights into ancient rituals, legendary warriors, and brutal deaths; investigate dozens of childrens skeletons in Peru, find out if Amazon warriors once lived in Russia, and see what a UK cave full of butchered remains reveals.

Contemplate the strange disappearance and reappearance of the master of macabre, Edgar Allan Poe, just before his death in 1849; explore the chilling rumour that Shakespeares grave was robbed, then chase down thieves who stole the Mona Lisa in 1911.

The hot, dry extreme center of Australia is home to landscapes like nowhere else on Earth; fearsome apex predators, a town built by opals and Uluru, the cultural and spiritual heart of a nation.

Exhume chilling insights into ancient rituals, legendary warriors, and brutal deaths; investigate dozens of childrens skeletons in Peru, find out if Amazon warriors once lived in Russia, and see what a UK cave full of butchered remains reveals.