Smithsonian Channel

The airport has never shut down for bad weather, but a heavy storm, a rookie snow boss, and broken equipment put their remarkable streak in jeopardy; a 5.3 magnitude earthquake shakes the airport, grounding all planes.

Challenges beset a sculptural new transportation hub for New York's World Trade Center; Amsterdam gains a building inspired by a mountain valley; a new launchpad for space travel prepares for liftoff in the New Mexico desert.

At Monster Jam, custom-built monster trucks roll, flip and fly through the air; with the metal-bending beating these trucks endure, teams of specialized mechanics race against the clock to repair these engineering marvels in time for the next event.

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.

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.

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.

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.

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.

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.

Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

Mike is in Iceland, where teams harness the power of volcanos to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes, and bringing a dead well back to life.

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.

The technological race intensifies as superpowers use imported German scientists for rockets and nukes; high-stakes intelligence relies on spy balloons and planes over the North Pole.

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.

The Cold War arms race escalates as the Soviet Union advances its space capabilities and builds an Arctic nuclear submarine base, prompting the USA to construct bomber defense radar networks in response.

The East and the West fail in their attempts to limit the threat posed by nuclear weapons; the great power competition destroys the Arctic, causes missile accidents, and claims human lives in space.

Experience the deep distrust and aggression that pushes the world closer to nuclear war; follow a Soviet incursion into the territorial waters of Sweden and Finland and see how northern nations prepare for a battle that is only a button-push away.

A tour of the CIA's private museum reveals some of the agency's spy craft and the missions on which they were used.

In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan; combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization.

Dictators often attempt to expand their jurisdiction beyond the borders of their country; this usually means armed invasion and the death of large numbers of soldiers and civilians.

A tour of the CIA's private museum reveals some of the agency's spy craft and the missions on which they were used.

In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan; combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization.

Dictators often attempt to expand their jurisdiction beyond the borders of their country; this usually means armed invasion and the death of large numbers of soldiers and civilians.

A tour of the CIA's private museum reveals some of the agency's spy craft and the missions on which they were used.

In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan; combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization.

Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

Mike is in Iceland, where teams harness the power of volcanos to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes, and bringing a dead well back to life.

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

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.

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

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

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.

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

Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

In Florida, Mike tackles one of the dangerous jobs on the planet, commercial diving; he helps a specialized team keep waterways safe; fixing construction site leaks and removing dangerous structures, all while hurricane season is in full swing.

Archaeologists unearth a sacrificial skull, investigate a mummy, and crawl through underground tunnels as they embark on new digs in Pompeii.

Archaeologists find traces of a sea-battle that transformed Ancient Rome; archaeologists investigate how Rome rose to dominate the ancient world.

Archaeologists reveal how the Colosseum came to symbolize the might of Rome.

Archaeologists investigate the fate of Nero and his buried Golden Palace.

An exploration of Hadrian's Wall, the largest structure built by the Romans; experts examine the Wall, its forts, gatehouses, and garrison town to see how civilization and culture grew.

An exploration of Herculaneum, the twin to Pompeii that also got buried during a deadly volcanic eruption; the discovery of an intact skeleton, the first excavated in 25 years, helps investigators piece together the final hours of Herculaneum.

The pockmarked mummy of Ramesses V reveals a shocking tale of bitter family infighting, a civil insurrection and a cause of death that ultimately pushed ancient Egypt to the edge of collapse.

Archaeologists uncover the truth behind the legend of the Trojan War.

The pockmarked mummy of Ramesses V reveals a shocking tale of bitter family infighting, a civil insurrection and a cause of death that ultimately pushed ancient Egypt to the edge of collapse.