Smithsonian Channel

In Oklahoma, a sacred spiral mound rises on a former oilfield, honouring 39 tribes. London's crumbling Battersea Power Station is reborn with two million new bricks. And in Spain, Frank Gehry crowns a historic winery.

Mike works with the Army Corps of Engineers on a massive project to restore essential flow of fresh water to the Florida Everglades; he also joins scientists, python hunters and the Miccosukee Tribe to eliminate invasive species in these wetlands.

The Pyramid of Khufu is the only one of the Seven Wonders of the Ancient World which can still be seen in its original state.

At the heart of Saqqara, the largest necropolis in Egypt, is the Step Pyramid of Djoser, built around 2600 BC.

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

Learning why an important urban center is sinking toward oblivion; soaring over sprawling ruins buried under Saharan sands; learning the modern secret of an ancient fortress; eyeing a ghost town on the edge of the Gobi.

A salvage maestro returns to raise more valuable tropical hardwood trying not to wreck his own boat in the process; the multimillion dollar operation to salvage America's biggest shipwreck.

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

Learning why an important urban center is sinking toward oblivion; soaring over sprawling ruins buried under Saharan sands; learning the modern secret of an ancient fortress; eyeing a ghost town on the edge of the Gobi.

A salvage maestro returns to raise more valuable tropical hardwood trying not to wreck his own boat in the process; the multimillion dollar operation to salvage America's biggest shipwreck.

When a body is discovered in a bombed-out London church, investigators race to determine if it was caused by the Nazi Blitz or a local killer.

The story of "America's first serial killer," who stalked Chicago in the 1890s, and how the police departments of two major cities finally brought him to justice.

In Oklahoma, a sacred spiral mound rises on a former oilfield, honouring 39 tribes. London's crumbling Battersea Power Station is reborn with two million new bricks. And in Spain, Frank Gehry crowns a historic winery.

Mike works with the Army Corps of Engineers on a massive project to restore essential flow of fresh water to the Florida Everglades; he also joins scientists, python hunters and the Miccosukee Tribe to eliminate invasive species in these wetlands.

In Oklahoma, a sacred spiral mound rises on a former oilfield, honouring 39 tribes. London's crumbling Battersea Power Station is reborn with two million new bricks. And in Spain, Frank Gehry crowns a historic winery.

Mike works with the Army Corps of Engineers on a massive project to restore essential flow of fresh water to the Florida Everglades; he also joins scientists, python hunters and the Miccosukee Tribe to eliminate invasive species in these wetlands.

Explore 125 years of aviation by uncovering how iconic aircraft have radically reshaped our world and revealing the ingenious engineering behind its success.

A damaged plane plunges Anchorage Airport into an emergency; a leak on a Coast Guard helicopter jeopardizes emergency cover; rain turns the Fairbanks runways into ice rinks and a dog-sled racing prodigy flies with furry teammates.

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.

Explore 125 years of aviation by uncovering how iconic aircraft have radically reshaped our world and revealing the ingenious engineering behind its success.

A damaged plane plunges Anchorage Airport into an emergency; a leak on a Coast Guard helicopter jeopardizes emergency cover; rain turns the Fairbanks runways into ice rinks and a dog-sled racing prodigy flies with furry teammates.

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.

Explore 125 years of aviation by uncovering how iconic aircraft have radically reshaped our world and revealing the ingenious engineering behind its success.

A damaged plane plunges Anchorage Airport into an emergency; a leak on a Coast Guard helicopter jeopardizes emergency cover; rain turns the Fairbanks runways into ice rinks and a dog-sled racing prodigy flies with furry teammates.

When a body is discovered in a bombed-out London church, investigators race to determine if it was caused by the Nazi Blitz or a local killer.

The story of "America's first serial killer," who stalked Chicago in the 1890s, and how the police departments of two major cities finally brought him to justice.

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.

Get petrified by cryptic rock structures normally hidden from view; look inside curious dwellings in the Peruvian Andes; visit a sacred monolith in Wyoming's Black Hills; haunt a Turkish stone village; spot an immovable waterfall in Mexico.

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.

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.

Get petrified by cryptic rock structures normally hidden from view; look inside curious dwellings in the Peruvian Andes; visit a sacred monolith in Wyoming's Black Hills; haunt a Turkish stone village; spot an immovable waterfall in Mexico.

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.

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.

While Nazi Germany attempts to cover up the brutal murders of a serial killer, a brilliant detective uses early forensic methods to bring him to justice.

Traverse the Czech countryside in search of the fabled, elusive Amber Room.

A damaged plane plunges Anchorage Airport into an emergency; a leak on a Coast Guard helicopter jeopardizes emergency cover; rain turns the Fairbanks runways into ice rinks and a dog-sled racing prodigy flies with furry teammates.

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.

Explore 125 years of aviation by uncovering how iconic aircraft have radically reshaped our world and revealing the ingenious engineering behind its success.

A damaged plane plunges Anchorage Airport into an emergency; a leak on a Coast Guard helicopter jeopardizes emergency cover; rain turns the Fairbanks runways into ice rinks and a dog-sled racing prodigy flies with furry teammates.

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.

Following American M18 Hellcat tank destroyers as they sweep to victory across Europe and watch flamethrower tanks help the Allies claim island after island in Japan; then see how WW II's lessons culminated in the modern main battle tank.

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.

Tease out the common denominators that lead to tyranny; map the rise of some of the 20th century's dictators and discover how they seized power, exploited governing systems and gutted existing power structures to gain total control.

Following American M18 Hellcat tank destroyers as they sweep to victory across Europe and watch flamethrower tanks help the Allies claim island after island in Japan; then see how WW II's lessons culminated in the modern main battle tank.

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.

Tease out the common denominators that lead to tyranny; map the rise of some of the 20th century's dictators and discover how they seized power, exploited governing systems and gutted existing power structures to gain total control.

Following American M18 Hellcat tank destroyers as they sweep to victory across Europe and watch flamethrower tanks help the Allies claim island after island in Japan; then see how WW II's lessons culminated in the modern main battle tank.

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.

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.

While Nazi Germany attempts to cover up the brutal murders of a serial killer, a brilliant detective uses early forensic methods to bring him to justice.

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.

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.

Salvage crews work to install the world's largest environmental protection barrier; flying into a highly volatile region, crews battle pirates, tornadoes, and riots to salvage a wrecked cargo ship.

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.

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.

Salvage crews work to install the world's largest environmental protection barrier; flying into a highly volatile region, crews battle pirates, tornadoes, and riots to salvage a wrecked cargo ship.

When an infant is discovered dead in the River Thames, police uncover a dark underworld, where society's most vulnerable are being exploited.

A high-profile murder case in Brazil during the 1970s captures the world's attention and leads to a national scandal.

Unveils the Cold War as a conflict of spies, not soldiers, involving constant risk, subterfuge, and tools like miniature cameras, coded messages, stealth and poisoned umbrellas.

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.

Tease out the common denominators that lead to tyranny; map the rise of some of the 20th century's dictators and discover how they seized power, exploited governing systems and gutted existing power structures to gain total control.

Unveils the Cold War as a conflict of spies, not soldiers, involving constant risk, subterfuge, and tools like miniature cameras, coded messages, stealth and poisoned umbrellas.

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.

Tease out the common denominators that lead to tyranny; map the rise of some of the 20th century's dictators and discover how they seized power, exploited governing systems and gutted existing power structures to gain total control.

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

The Black Pyramid is a decaying brick-and-clay structure that contains an elaborate network of tunnels filled with ancient artifacts; Egyptologists use a mini-laser to uncover the mysteries contained within.

Part 5/6. Chart the turbulent reign of a brilliant strategist who allied herself with powerful Roman leaders in the hopes of saving her kingdom; examine the battle against Octavian that ended three millennia of Egyptian history and sealed Cleopatra's fate.

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

The Black Pyramid is a decaying brick-and-clay structure that contains an elaborate network of tunnels filled with ancient artifacts; Egyptologists use a mini-laser to uncover the mysteries contained within.

Part 5/6. Chart the turbulent reign of a brilliant strategist who allied herself with powerful Roman leaders in the hopes of saving her kingdom; examine the battle against Octavian that ended three millennia of Egyptian history and sealed Cleopatra's fate.

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

The Black Pyramid is a decaying brick-and-clay structure that contains an elaborate network of tunnels filled with ancient artifacts; Egyptologists use a mini-laser to uncover the mysteries contained within.

When an infant is discovered dead in the River Thames, police uncover a dark underworld, where society's most vulnerable are being exploited.

A high-profile murder case in Brazil during the 1970s captures the world's attention and leads to a national scandal.

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.

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

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.

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.

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

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.

When a body is discovered in a bombed-out London church, investigators race to determine if it was caused by the Nazi Blitz or a local killer.

The story of "America's first serial killer," who stalked Chicago in the 1890s, and how the police departments of two major cities finally brought him to justice.

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

The Black Pyramid is a decaying brick-and-clay structure that contains an elaborate network of tunnels filled with ancient artifacts; Egyptologists use a mini-laser to uncover the mysteries contained within.

Part 5/6. Chart the turbulent reign of a brilliant strategist who allied herself with powerful Roman leaders in the hopes of saving her kingdom; examine the battle against Octavian that ended three millennia of Egyptian history and sealed Cleopatra's fate.

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

The Black Pyramid is a decaying brick-and-clay structure that contains an elaborate network of tunnels filled with ancient artifacts; Egyptologists use a mini-laser to uncover the mysteries contained within.

Part 5/6. Chart the turbulent reign of a brilliant strategist who allied herself with powerful Roman leaders in the hopes of saving her kingdom; examine the battle against Octavian that ended three millennia of Egyptian history and sealed Cleopatra's fate.

Examine a unique silver scroll found in a collapsed Umayyad-period house in Jerash, Jordan; watch an advanced CT scanner penetrate its lead casing, revealing mysterious grooves and an enigmatic message that suggests it may be a protective amulet.

Challenge long-held beliefs about Viking leadership, weaponry, and brutality; inspect a warriors tomb full of clues in Sweden, a sword of unparalleled quality in Norway, and a pile of headless skeletons in the UK that reveal unimaginable violence.

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

Examine a unique silver scroll found in a collapsed Umayyad-period house in Jerash, Jordan; watch an advanced CT scanner penetrate its lead casing, revealing mysterious grooves and an enigmatic message that suggests it may be a protective amulet.

Challenge long-held beliefs about Viking leadership, weaponry, and brutality; inspect a warriors tomb full of clues in Sweden, a sword of unparalleled quality in Norway, and a pile of headless skeletons in the UK that reveal unimaginable violence.