Experts delve into the creepy concept of crop circles. Could these strange patterns really be messages from another world or are they just elaborate hoaxes? 7+.

Teleshopping.

Teleshopping. 7+.

Discover how each powerful Koenigsegg car is lovingly hand-built, in a Swedish factory that looks more like an art studio than a car production plant. RATING: AA.

In Sao Paolo, the Himalayas, and on the Norwegian coast, three flight crews are pushed to the limit by the toughest landings on earth.

When United Airlines Flight 232 suffered a catastrophic failure in 1989, the crew onboard faced an impossible task - land the plane despite losing all control.

A look into the building of Hitler's infamous hideouts, including the fortified Wolf's Lair, the Fuhrerbunker and the alpine retreat known as the Eagle's Nest. RATING: AA.

The Glacier Express train in the Swiss Alps is an engineering marvel traveling over treacherous gorges and through huge mountain ranges.

14 people died when Delta Airlines Flight 1141 erupted into flames just moments after lift off. But what caused the fatal crash.

Investigators seek answers for the families of 298 people killed when an airline went down over a warzone in eastern Ukraine.

A Japanese-American regiment fights through dark forests, heavy rains and entrenched Nazis to reach a lost US battalion in the Vosges Mountains.

Secrets of the Spanish Armada: Experts find a secret beneath the waves, of how the Armada's failed conquest sparked England to steal Spanish ship technology to grow their empire. RATING: AA.

Three real world disasters forensically dissected. Fukushima nuclear plant, a Manhattan crane collapse, the fire on aircraft carrier USS Forrestal. 7+.

Looks at the Uberlingen plane crash that killed 45 children. A man who lost his family later murdered the air traffic controller who was on duty.

When two float planes carrying tourists collide near a spectacular Alaskan waterfall, investigators turn to 3D technology to figure out why.

Hannah explores Vietnam's remarkable post-war transformation. From moped chaos in Ho Chi Minh City to the muddy graft of prawn harvest in the Mekong Delta.

Brain Power: Invited to join Ed Sheeran onstage in concert, Chris has to master the drums and perform in front of 70,000 fans. It's a challenge that pushes him beyond his limits.

The European Union announces plans to end the sale of fossil fuel-based cars by 2035, ushering in the end of an era for the internal combustion engine.

Investigation into the crash of Continental Connections Flight 3407 in 2009. 51 people died when it plummeted into a house 10km from the runway. 7+.

Tim and Fuzz are off to Devon to steal away a '90s super saloon. But when the boys get back to the workshop, they realise they've got their work cut out. 7+.

Baggage manager Brodie faces the challenge of handling 2,000 bags during a system upgrade. A father and son pilot duo tackle a new flight simulator. 7+.

On the hunt for valuable militaria, Sean discovers one of WWII's most expensive and secret weapons, as well as an axehead that could be 1,000 years old. 7+.

Diego races against the clock to pull apart a plane. Rich sees dollar signs when a shop owner offers him 1,000 phones. Could there be money in old mobiles? 7+.

Dave gets a lucky break when he travels 200 miles to search a mine for crystallised gold. Plus, can Diego turn martial arts weapons into cash? 7+.

Take a bite out of an out-of-this-world snack for astronauts, watch as heaps of raw sugar become sugar cubes and use a Ferris wheel-style oven. 7+.

Lift the lid on the cookies that make millions for charity, an innovative ice cream sandwich and a pretzel producer's global headquarters. 7+.

Southern California is the site of twelve shocking shark attacks in just two years. Experts race to find the cause behind this frightening spike. 12+.

Since the '90s, there have been more than 60, often fatal, shark attacks within the Recife area of Brazil. The question is, why? 12+.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Enter the Jaguar mega factory in Castle Bromwich, England, and discover the first car in the company's history to use aerospace influenced aluminium space frame technology. 7+.

Faced with a mid-air crisis, pilots must make life-and-death decisions, but the wrong choice can trigger more serious problems. 7+.

When a bird strike takes out both engines, Captain Chesley 'Sully' Sullenberger and co-pilot Jeffrey Skiles attempt to land in the Hudson River. 7+.

Hitler's megalomania led him to construct the ultimate deep-sea destroyer, the largest tank the world has ever seen and a fighter jet that inspired a revolution in aerial warfare. 7+.

Luxury train the Ghan and its 3,000 kilometres of track need constant and skilled maintenance as they traverse the Australian outback. 7+.

Experts investigate how a brand new super jet with an expert crew managed to crash into a mountain during a demonstration flight.

With the future of space tourism hanging in the balance, experts investigate the fatal crash of Virgin Galactic's revolutionary rocket plane. 7+.

As the Battle of the Bulge rages, a young US scout becomes separated from his regiment and spends the night trapped behind the enemy line.

U-Boats nearly won Hitler the war when they struck the Royal Navy's ships. As experts drain the ocean, the story of the world's first stealth weapon is revealed. 7+.

Examining the Air France Concorde crash in Paris, France, the funicular railway tunnel fire in Kaprun and the explosion in the Gulf of Mexico. 7+.

A dramatic look at the 1941 Japanese attack on Pearl Harbor. Striking on a Sunday, anti-aircraft guns were unmanned, torpedo nets absent and ammunition locked away. 7+.

After all 301 people on board Saudia Flight 163 were killed when a fire engulfed the plane, investigators had to determine why the flames spread so rapidly. 7+.

The story of propaganda maestro Joseph Goebbels and Holocaust architect Heinrich Himmler: two men who built one of the largest social megastructures ever. 7+.

After a night-time crossing of the Savio River, a platoon of Canadian tank hunters fights off Nazi Panther tanks with only the weapons they can carry. 7+.

What happened aboard the USS Juneau would inspire the film "Saving Private Ryan". Five brothers were lost when the ship sank.

Minutes before landing, the pilots of Berlin to Zurich Crossair Flight #359 couldn't find the runway or get their jet to climb and crashed. 7+.

Tim and Fuzz take on a 1973 saloon which has been abandoned for decades in a dusty barn after owner Margaret was unable to complete its restoration.

A380 Turnaround Coordinator, Diana, orchestrates cargo, ground operations and baggage services to get the biggest passenger plane off the ground. 7+.

Sean stumbles on a 1700s blunderbuss, a huge gun used by pirates to debilitate treasure ships. He also examines a potentially-priceless WWI helmet. 7+.

Dave hopes to get gold from the ground using a stamp mill. Diego learns that a local horse hospital could hold the key to his fortune. But how? 7+.

Stolen Cars: Over 750,000 cars vanish yearly in the U.S. Many end up in Africa, fetching high prices. Mariana tracks the global network profiting from this stolen-car pipeline. 18+.

Follow the trajectory of Welch's Concord Grape Jam, enjoy some grandma-perfected pierogi and sink your teeth into some chocolatey pretzels. 7+.

Discover how decadent doughnuts, rich and silky ice cream, spicy hot Korean kimchi, and flaky kosher salt gets to the masses.

In 2010 the number of shark attacks in Western Australia exploded. Join the experts as they try to identify the cause of this change. 12+.

New Smyrna Beach in Florida has the most recorded shark attacks in the world. What is it that attracts sharks to this coastline? 12+.

Teleshopping. 7+.

Teleshopping.

Teleshopping.

Teleshopping.

A flight carrying 80 passengers and crew crashes on landing. As the airport goes into an immediate stop, the teams on the ground are pushed to their limit. 7+.

Confused, flying and lost in the dark, three crews lose site of the horizon and fall into the same deadly trap. 7+.

In 2009, Air France Flight 447 vanished over the Atlantic Ocean, with the wreckage only being found two years later. But what caused the catastrophic crash? 7+.

Lines of Defence: A look at Hitler's deadly defences. The Siegfried Line held off US forces for six months, while the ambitious Atlantic Wall faced the ultimate test on D-Day. RATING: AA.

Witness a triumph of engineering - the Bergen line - built to overcome extraordinary natural obstacles, from fjords to freezing conditions. 7+.

Experts investigate the mysterious malfunction that caused Qantas Airways Flight 72 to take a sudden nosedive over the Indian Ocean. 7+.

Everyone on board was killed when Alitalia Flight 404 crashed into a hill on its way into Zurich. But why was the plane flying so low? 7+.

In a bid to support the Battle of the Bulge, Himmler launches a surprise offensive into France against nearly arrived, green US troops.

Maritime archaeologists hunt beneath the waves for Civil War secrets as they reveal how the battle on the seas shaped the outcome of the conflict. 7+.

Construction fails happen every day, but sometimes the damage is catastrophic. Investigate the most spectacular mishaps - and how the disaster could have been averted. 7+.

On 28 January 1986, history was about to be made by sending the first civilian into space. Just 73 seconds into the flight, disaster struck. 7+.

Investigators struggle to explain why PenAir 3296 failed to stop after landing at a famously tricky Alaskan airport - until they uncover the truth.

Why is a skeleton found with a blade across its stomach, a stone on its neck and a strange green colour in its mouth? 7+.

As experts restore the Edicule surrounding the tomb of Christ, they make a discovery that could revolutionise what we know about the holiest site in Christianity. 7+.

A fascinating look at the crucial elements of Jesus's story, questioning basic modern assumptions to reveal some surprising and often shocking details about his life and ministry. 7+.

A look into US Airways Flight #1549's ditch in the Hudson river. Just after take-off, its engines were crippled when it flew into a flock of birds. 7+.

Tim and Fuzz help Trevor, whose recent diagnosis means he's unable to finish his restoration. But his 1964 Porsche is by far the worst car they've ever taken on. 7+.

The Australian Border Force investigates potential criminal activity on the tarmac and Nina's assistance dog makes his final flight before he retires. 7+.

Sean finds an old wheelock which Leonardo da Vinci allegedly helped to design. If the rumours turn out to be true, it could be worth a fortune. 7+.

Romance Scams: Mariana's investigation takes her to Ghana, where she meets scammers who are relentless in searching for high-income targets on dating apps and social media. 18+.

Mariana journeys into the Amazon rainforest to expose the criminal networks responsible for a slew of recent killings and illegal destruction of the jungle. 18+.

Discover the secrets behind foods as diverse as salsa, ice cream sandwiches, oka cheese and fortune cookies. 7+.

Discover how cool and refreshing frozen yogurt, ultra-creamy brie, hot and crispy spring rolls, and gooey Sweet Georgia Browns get to the masses. 7+.

In 2017 and 2018, three Cape Cod beachgoers are attacked by sharks, and one of them is killed. Why did these awful events take place? 12+.

The beaches of North Carolina are the site of four shark attacks, and experts are determined to find out why. 12+.

Teleshopping. 7+.

Teleshopping.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

Hannah explores Vietnam's remarkable post-war transformation. From moped chaos in Ho Chi Minh City to the muddy graft of prawn harvest in the Mekong Delta. 7+.

Illustrating the deadly consequences of a mismatched crew, three flights end in tragedy as investigators unravel what went wrong. 7+.

Survivors share their escape stories after Turkish Airlines Flight 1951 broke into three pieces and crashed, killing nine - including all three pilots. 7+.

Vengeance Weapons: The story of the Nazi geniuses who created Hitler's deadly weapons of vengeance, including the world's first-ever cruise missile and long-range rockets. 7+.

Witness a wonder of Mexican engineering as the luxury El Chepe train glides through the world's largest canyon region, Copper Canyon. 7+.

Investigators examine the debris of China Airlines Flight 140, which crashed into the ground at Japan's Nagoya Airport in 1994. 7+.

Commercial flying is changed forever when investigators discover what caused Continental Airlines Flight 1713 to crash during heavy snow. 7+.

After a night-time crossing of the Savio River, a platoon of Canadian tank hunters fights off Nazi Panther tanks with only the weapons they can carry. 7+.

Experts head to the seafloor in search of answers to one crucial question - can the lessons learnt from previous air disasters solve the mystery of lost flights? 7+.

It's an 800-year-old icon with a state-of-the-art smoke detector - but how did Notre Dame cathedral catch fire? Plus, is there such a thing as an earthquake-proof building? 7+.

Archaeologists investigate the rise of Egypt's first pharaohs and how they transformed scattered communities into a powerful kingdom. 7+.

After a long maintenance stop, the pilots of Colgan Air 9446 struggle to stay in the air - eventually nosediving into the waters off Cape Cod. 7+.

A huge winter storm slams into Toronto International Airport. The Airfield Inspector unit urgently tracks down a blown-over sign before it becomes a hazard.

An Italian supermarket under construction drastically collapses. Amusement parks become a lot less amusing when fires break out. 7+.

Tim and Fuzz hope to surprise a family whose dreams of restoring a 1968 Morris Traveller were quashed by a run of bad luck. 7+.

A look into the 2009 crash of Turkish Airlines Flight #195. Just before landing, the plane mysteriously fell from the sky, killing 9 people. 7+.

The guys head to County Durham to secretly fix-up an Austin Healey for John, who has Parkinson's disease - and set out to make his classic car dreams come true. 7+.

Dangerous weapons concealed in luggage test airport security and paramedics rush to treat a passenger suspected of having a stroke. 7+.

The guys head to Colorado for an extravaganza of military collectibles before testing a MAC-10 submachine gun, the iconic weapon of many Hollywood movies. 7+.

Few Americans realise 30% of their seafood has been caught illegally. Mariana finds out who makes billions each year while destroying our oceans. 18+.

Mariana investigates the dark corners of black market plastic surgery, where sex, greed and social media drive patients toward motel-room operations. 18+.

Discover how sweet and crispy waffles, tangy, crunchy Doritos, dreamy dark chocolate milk, and an extravagantly cheesy Indian dessert is really made. 7+.

Discover how savoury garlic naan, crunchy cheesy puffs, creamy maple cookies and sinfully sweet truffles get made. 7+.

It's a busy week at The Columbus Zoo as the companion dogs look after three new adorable cheetah cubs, and a scimitar oryx calf is born. 12+.

Before he loses all his feathers, Dr Katie races to figure out what has been keeping feisty penguin Barry from shedding for close to a year. 7+.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

Trek, dive and dance with the team, bringing Disney Lookout Cay at Lighthouse Point to life as opening day approaches. 7+.

Relying on instinct rather than the rule book, three flights end in tragedy when crews improvise on their final approach. 7+.

Strike: One student's dreams of becoming a fighter pilot are put in jeopardy as the class starts advanced phase training with a set of breathtaking bombing tests. 7+.

War on the Eastern Front: The story of history's greatest tank battle and how a vengeful Soviet army made the Germans fight for every inch of ground from the Baltic to Berlin. 7+.

The Winnipeg to Churchill train traverses the province of Manitoba, powered by a potent mix of force, fire and determination. 7+.

The captain of Cathay Pacific Flight 780 averted crashing when both of the engines failed. But then, he realised he couldn't slow down for landing. 7+.

Jimmy Leeward went out to set a speed record at the Reno Air Races yet wound up in one of the deadliest air show disasters ever. What went wrong.

US Paratroopers dropped into France before the D-Day landings and battled Nazi defenders for a key bridge behind enemy lines.

Experts head beneath the waves to reveal the shocking secrets and doomsday weapons of the Cold War - the world's first nuclear-armed confrontation. 7+.

Glass - one of the most versatile materials in the construction world. It's both practical and beautiful, but when it fails, it's not all it's cracked up to be.

Gripping investigation into the fierce storm and deadly ambition that led to the deaths of nine climbers during their descent of Mount Everest in 1996. 7+.

When a DC-8 with just three working engines crashes during take-off, killing all three pilots, the training simulator is found to have been fatally wrong. 7+.

Tim and Fuzz customise a Triumph Stag, offering owner Morgan the chance to get back behind the wheel after losing the use of his legs in an accident. 7+.

Tim and Fuzz are off to Southampton to take on a 1969 Jensen Interceptor. The owner adored the car until he got extreme arthritis. 7+.

Spain: From the awe-inspiring technology that's bringing Barcelona's iconic Sagrada Familia to completion, to the secrets of Seville's record-breaking wooden sun shade. 7+.

In May 2013, a BA jet made an emergency landing at Heathrow. Five years prior, the engines on a BA plane failed. Did experts find out why? 7+.

A huge winter storm slams into Toronto International Airport. The Airfield Inspector unit urgently tracks down a blown-over sign before it becomes a hazard. 7+.

Baggage manager Brodie races against the clock to reunite a passenger with their lost luggage and an airport visitor faces an unexpected mishap. 7+.

An 18th-century flintlock is up for auction. The four-barrel gun was extremely expensive to produce, making it coveted booty for pirates. 7+.

Mariana embarks on a 3,000-mile journey from Africa to the Middle East to uncover how black market oil is fuelling terrorist groups around the globe. 18+.

Action-packed series following a demolition crew. After winning a blind bid on a property, they empty it of its valuables before tearing it to the ground. 7+.

A look at how chewy chocolate treats, nutty health bars, creamy orange bonbons, and a popular zesty condiment are made. 7+.

From mouth-puckering gummy worms to crunchy golden tacos and aromatic curry, discover how food is really made for the masses. 7+.

At the Columbus Zoo, medical staff investigate the mystery behind an adult male flamingo with a muted call. 7+.

Everyone at the Columbus Zoo is waiting for the first baby giraffe to be born in over 20 years. 7+.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

When Air India Flight 182 disappeared from the radar, controllers were left baffled. Investigators later discovered a sinister reason for the deadly crash. 7+.

When a massive explosion tears a hole in a 747 over Hawaii, the search for answers ultimately leads to a deadly short circuit. 7+.

The European Union announces plans to end the sale of fossil fuel-based cars by 2035, ushering in the end of an era for the internal combustion engine. 7+.

Tim and Fuzz race the clock to secretly restore an owner's beloved Jag. Neglected for two decades, it's a tough challenge. Can they fix it up without him knowing? 7+.

Tim and Fuzz whisk away a World War II veteran's beloved Willys Jeep after it was targeted by arsonists. Can they amaze its owner with a surprise revamp? 7+.

A ship breaks a Baltimore bridge, a Dutch stadium loses its top, a Manhattan crane catches fire, a crooked English pub and a "poonami" in China. 7+.

Treasures Rediscovered: Experts shed new light on the short yet eventful life of Tutankhamun as all the treasures from the Boy King's tomb come together. 7+.

Golden Mask: King Tut's death mask undergoes a forensic investigation as experts seek an answer to one of the biggest mysteries surrounding the famous treasure. 7+.

Tales from the Tomb: Two mummified babies found in Tutankhamun's tomb offer insight into the bizarre practices that kept the Ancient Egyptian pharaoh's dynasty in power. 7+.

Rauray, Normandy, 1944: British commander John Semken's Sherman faces a German Tiger just 110 metres away. Against all odds, he triumphs, revealing why the Allies were winning. 7+.

Battle of Britain: Soar through the Battle of Britain from a unique aerial perspective, as over 1500 British and German planes engage in a duel to the death above England.

American Allies: New footage reveals the conflict raging in Asia, Stalingrad and Egypt. While in Europe, the darkest days of the war approach as the Nazis instigate The Final Solution.

Allies Strike Back: From the landings in Saipan to D-Day in Normandy, this dramatic unseen footage reveals World War II's most significant moments.

Retreat And Surrender: Previously unseen footage reveals some of the most significant moments of WWII as fighting reached a bloody climax and the US prepared to drop the atomic bomb.

World War Two left a great number of ships and submarines hidden beneath the waves. If the oceans were drained, what secrets would each vessel reveal? 7+.

Documentary lifting the lid on Dublin's brutal history of organised gangs, including leader Larry Dunne who became Ireland's first millionaire drug kingpin. 12+.

Cheap, long-lasting, powerful and addictive, it's no wonder 'super meth' is labelled the world's most dangerous drug. Lisa Ling heads inside the epidemic. 18+.

A look into US Airways Flight #1549's ditch in the Hudson river. Just after take-off, its engines were crippled when it flew into a flock of birds. 7+.

A look into the 2009 crash of Turkish Airlines Flight #195. Just before landing, the plane mysteriously fell from the sky, killing 9 people. 7+.

In May 2013, a BA jet made an emergency landing at Heathrow. Five years prior, the engines on a BA plane failed. Did experts find out why? 7+.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

After loading up 112 cars, veteran engineer Rob and rookie conductor Keri must guide their two-kilometer train into the heart of the Rocky Mountains. 7+.

Engineer Jordy and conductor James are hauling a high-priority shipment to Alberta, but in the Rockies, severe rockslides threaten to wash out the tracks. 7+.

The Winnipeg to Churchill train traverses the province of Manitoba, powered by a potent mix of force, fire and determination. 7+.

A huge winter storm slams into Toronto International Airport. The Airfield Inspector unit urgently tracks down a blown-over sign before it becomes a hazard. 7+.

A look at the errors that caused the deaths of 118 people in the 2001 Linate airport disaster, regarded as the worst accident in Italian aviation history. 7+.

When a two-billion-dollar Stealth Bomber crashes in Guam, the US Air Force investigate the most expensive aviation accident of all time. 7+.

A decorated war hero volunteers for a dangerous role as America's 7th Infantry Regiment makes a bold bid to drive Nazi forces back across the Rhine.

In 1944, it falls to a small group of American soldiers armed with plastic explosives, grenades and gasoline to capture the all-important Fort Koenigsmacker. 7+.

A look at the war strategy and catalogue of errors that led to the British sinking of the Bismarck, a wreck that killed more than 2,000 German soldiers in 1941. 7+.

6000 years ago, the Sumerians built the world's first cities. Explore new discoveries about their civilization and its impact on Biblical writers. 7+.

Nineveh and Babylon were superpowers of the ancient world, so why did the Bible's writers see them as cities of sin? What were they really like? 7+.

King Solomon is famed for his wisdom and riches. Teams excavating ancient biblical kingdoms make new discoveries about the mysterious age of Solomon. 7+.

Birth of an Empire: The Inca rose in the 15th century, yet its origins remained a mystery. Follow Manco, the first Inca and Pachacutec, who reshaped a civilisation. 7+.

Why didn't Elizabeth I provide an heir to the throne? A look at rumours of illegitimacy and adultery surrounding the Virgin Queen, and even the possibility that she was a man. 7+.

Experts examine the biggest Saxon gold hoard ever found. Unearthed by an amateur metal detector, five kilogrammes of jewellery shed new light on the Dark Ages. 7+.

Explore the dark treacherous waters of the Black Sea, which contain a treasure trove of sunken wrecks that have been near-perfectly preserved in its murky depths. 7+.

CBP discovers cocaine concealed within two cakes and officers empty a gas tank filled with packages of meth strung together for quick retrieval. 7+.

Hannah explores Vietnam's remarkable post-war transformation. From moped chaos in Ho Chi Minh City to the muddy graft of prawn harvest in the Mekong Delta. 7+.

Why is a skeleton found with a blade across its stomach, a stone on its neck and a strange green colour in its mouth? 7+.

Bermuda Triangle: Experts scrutinise theories behind the strange disappearances in the Bermuda Triangle. What could have caused ships and planes to vanish in this part of the Atlantic? 7+.

Life After Life: What happens after we die? Experts talk to those who have had near-death experiences in a quest to prove whether there is such a thing as the afterlife. 7+.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

See the world's largest bottle recycling plant in North Carolina, find out how new drinks are made and discover the surprising ingredients that give Coke its unique flavour. 7+.

Three planes are brought down by ice and he investigators must determine how a modern aircraft could end up with frozen wings.

Catching the Wire: Inside the Navy's toughest fighter pilot school, students face gruelling tests, high-stakes flights and the fight to earn their strike wings. 7+.

Hitler fast tracked a revolutionary air force in the build-up to WWII, creating two deadly new bombers designed to annihilate the enemy from above. 7+.

Follow a century-old steam loco on its mesmerising route from the plains of New Jalpaiguri to the foothills of the Himalayas. 7+.

A minor electrical problem sparked a catastrophic chain of errors that caused KLM Cityhopper Flight 433 to crash en route from Amsterdam to Cardiff.

Experts uncover something startling that threatens cargo pilots worldwide when they investigate the crash of a US plane at Guantanamo Bay.

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

Birth of an Empire: The Inca rose in the 15th century, yet its origins remained a mystery. Follow Manco, the first Inca and Pachacutec, who reshaped a civilisation. 7+.

Urban construction relies on two types of cranes to hoist the next high-rise - but when they fail, they make one big mess. Plus, discover the bad side of escalators. 7+.

More than 100 people died when a German InterCity Express train travelling at 125 mph crashed into a bridge in 1988. How did the disaster happen? 7+.

Approaching Taipei in an intensifying electrical storm, China Airlines Flight 676 falls out of the sky, killing all 196 people on board. But why? 7+.

Hannah travels across the country, where she decodes rhythms in flamenco and seeks out the origins of paella. Each discovery reveals more of Spain's charm. 7+.

Chris sets out to confront his chronic pain in an immersive journey through South Korea. He explores ancient healing traditions and cutting-edge science. 18+.

As the world looks to the future of supercars, Honda and Rimac are paving the way for future innovative automotive technologies. 7+.

Considered the worst air disaster in South American history, TAM Airlines Flight 3054 killed 181 passengers when it slammed into a gas station in 2007. 7+.

Tim and Fuzz head to Scotland to sneak away one of the 60s' great Italian classics. But owner Bill hasn't let the car out of his sight for almost 30 years.

A tense emergency unfolds as illicit drugs are found onboard a plane, paramedics rush to assist a woman displaying symptoms of a heart attack. 7+.

A World War II searchlight seeks out the team in Colorado, where Sean also finds a simple Italian flintlock that hides a deep and valuable secret. 7+.

Danley Demolition hit the jackpot, when an old school house turns up a World War II Enigma machine worth up to £60,000. 7+.

The Danley Demolition team gambles on a 1730s New Hampshire farmhouse but, just before they start bidding, they find out the owner is keeping the salvage. 7+.

Discover how classic salty pretzels, heavenly tiramisu and sweet and tangy ketchup get made, with a behind-the-scenes look at mass food production. 7+.

A look at how sweet and spicy ginger beer, cheesy portable pizza pockets and tart and tangy double lollipops get to the masses. 7+.

At the Columbus Zoo, there's a gator on the loose and Hank the elephant practices his yoga. At The Wilds, an African painted dog overheats. 7+.

The staff at the Columbus Zoo say goodbye to their polar bears Neva and Amelia Gray before they head off to the Maryland Zoo. 7+.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

Venture inside the Bentley factory where power and luxury are handcrafted, 95% of cars are custom-made, and engineers are beginning to remake the company's flagship Mulsanne. 7+.

Three last-resort water landings. All handled differently, yet each one crucial to improving the outcomes of ditching on open water.

Attack Attack!: As students reach the midpoint of their training, they start the dogfighting phase. To pass, they must outmaneuver their opponent and take a 'kill shot'. 7+.

Built to hold back the Allies, Hitler set up colossal defences across Norway's coast and lines that stretched across the entire Italian peninsula. 7+.

France: In 1944, the Allies stormed Normandy to take Hitler's Europe, while France endured the devastation of total war on its own soil.

An anonymous tip-off holds the key to solving the mystery when a cargo flight crashes to the ground moments after taking off from Miami.

An accident or an act of murder? Investigators call in the FBI when Romania suffers the deadliest air disaster in its history. 7+.

Five months after D-Day, the war finally reaches German soil as British soldiers fight in the shadow of Hitler's infamous Siegfried Line. 7+.

The team drain San Francisco's streets, the Sacramento river and Klondike's icy waste to tell the true story of 19th-century gold mania. 7+.

Tunnels are engineering marvels, cutting through the landscape and creating direct routes - until they cave in. Plus, a bridge suddenly collapses in Miami. 7+.

The oil rig Piper Alpha became the site of the world's greatest offshore disaster when a gas leak caused catastrophe, killing 167. 7+.

After a Chinese airplane lands at a top-secret US Air Force base, the search is on for the cause of a deadly rollercoaster ride in the sky. 7+.

Former slave labourers at the Sobibor death camp in German-occupied Poland discuss their lives as prisoners and share the story of their courageous escape on 14 October 1943. 7+.

In a bid to support the Battle of the Bulge, Himmler launches a surprise offensive into France against nearly arrived, green US troops.

D-Day: Idris Elba unearths the stories of three heroes - these men were part of the only all-black combat unit to land on the Normandy beaches on D-Day.

A look at the crash of West Caribbean Airways Flight 708 in 2005. Faulty engines and bad weather caused the plane to stall, plummeting 160 people to their deaths. 7+.

Tim Shaw and Fuzz Townshend take on a 1980s legend; a British championship winning Metro 6R4 that was found languishing in a scrapyard. 7+.

HSI busts meth smugglers in San Diego. Meanwhile, CBP intercepts drug body carriers. 7+.

Sean and his crackerjack team of military experts evaluate a medieval joust, a 17th century rapier, and two guns that don't appear to have triggers. 7+.

Lee is promised a share of the spoils as he arrives at a Maine mansion containing a lost gold coin worth thousands and an antique Chris-Craft boat. 7+.

The Danley Demolition crew blind bid on a 1920s building on the University of New Hampshire campus. What treasures lurk inside the former farmhouse? 7+.

Discover how zesty peppermint puff hard candies, flaky cheese straws, fruity mango chutney, and sugary love hearts get to the masses. 7+.

Discover how sugary, shiny sweets, cool and refreshing iced green tea, and rich and luscious shredded cheese get made. 7+.

A Muntjac deer name Chowlie suffers from mysterious seizers, but the keepers will need to catch him first before they find out why. 7+.

Yin and Yang, two Asian small-clawed otters show off their x-ray training skills. 7+.

Your one-stop shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

A huge winter storm slams into Toronto International Airport. The Airfield Inspector unit urgently tracks down a blown-over sign before it becomes a hazard. 7+.

Mistaken identity and hostile fire over enemy territory are among the many risks that pilots face in war zones around the world. 7+.

Fight's On!: As they enter the second and most challenging phase of dogfighting, everything is on the line for our students. 7+.

As US forces spread across the Pacific, Japan threw suicide bombers into action, built the world's biggest battleship and started building deep beneath Okinawa. 7+.

Belgium and the Netherlands: Colourised footage and eyewitness accounts show the price paid by troops and civilians to liberate Belgium and the Netherlands from Nazi rule.

Clues point to a mechanical problem when a Continental Airlines flight crashes. But then, investigators find the true culprit in the Rocky Mountains.

A series of discoveries spark calls to transform Russia's entire aviation system when an Aeroflot Nord flight crashed onto the Trans-Siberian railway.

A US Parachute Infantry Regiment protects a critical bridge from a Nazi battle group during the opening days of the Battle of the Bulge. 7+.

As the water drains away, a secret emerges beneath Manhattan's skyline, along with an astonishing feat of engineering and a casualty of World War I. RATING: AA.

When this UK power station reached the end of the road, it took all the power with it. Plus, explore landslides, tyres and inevitable human error. 7+.

A countdown of the moments directly before and after hijackers flew an AA flight into the Pentagon. Fire engulfed the iconic structure and 184 died in the carnage. 7+.

Sriwijaya Air Flight 182 crashed into the Java Sea after a hard left bank, revealing deadly defects in the investigation that followed. 7+.

Is a beautiful gemstone in London's Natural History Museum really cursed and what do the strange symbols on its setting mean? +.

Who were the apostles and how did they spread Jesus's teachings worldwide? Here, take a look at the birth of Christianity through the eyes of 12 remarkable men. 7+.

To solve ancient mysteries, explorer Albert Lin will use satellite and drones to look beneath the earth's surface and reveal secrets that have been buried for thousands of years. 7+.