Nat Geo HD

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. (S24, 1 of 10) 7+.

Straight after takeoff, Air Florida flight 90 stalled and plunged into Washington's Potomac River. Experts examine what caused the catastrophe. 7+.

Just moments after takeoff, a Loganair cargo flight from Edinburgh loses both engines and crashes into the icy North Sea. (S24, 4 of 10) 7+.

Secrets of the Ark of the Covenant: Uncover what archaeology reveals about Exodus, Canaan and the Ark as ancient ruins challenge the biblical story. (3 of 6) 7+.

Witness the disaster unfold as survivors reveal the first terrifying hours of a nuclear meltdown the world was never meant to see. (1 of 4) 7+.

See the fallout unfold as pilots battle reactor fires, mass evacuations begin and the true scale of a global nuclear disaster emerges. (2 of 4) 7+.

On 22 August, 1985, 55 people died aboard British Airtours flight 28M when its engine failed during take off. (S8, ep 1) 7+.

Dive into the danger as a highway bridge collapse sparks a probe into hidden structural flaws from sinking roads to a leaning skyscraper.

Tim and Fuzz take on Raymond's 1990 Nissan Pulsar GTI-R, the dream build he couldn't finish. From its corroded shell to scattered parts, this is a risky build. (S14, ep 6) 7+.

The boys take on a rundown Renault Alpine GTA belonging to David, a former computer technician suffering with ill health. 7+.

Titan transports move the biggest and most earth shaking loads by land, sea and sky: moving the critical goods that make our world run. (3 of 6) 7+.

Mining has been a very dangerous process. Now, with the evolution of engineering, colossal machines have made the unthinkable possible. (4 of 6) 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 holiday is your greatest one.

In 1943, two Allied convoys carrying vital supplies for the war effort set out for Britain. What followed was the largest convoy battle of the Second World War. 7+.

Experts discover a deadly oversight when a packed commuter flight slams into a hangar. Plus, a cargo plane crashes in Miami in a totally avoidable accident. (S2, ep 6) 7+.

Buried Secrets of the Gold Rush: 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+.

Secrets of the Ark of the Covenant: Uncover what archaeology reveals about Exodus, Canaan and the Ark as ancient ruins challenge the biblical story. (3 of 6) 7+.

Tunnels are engineering marvels, cutting through the landscape and creating direct routes - until they cave in. Plus, a bridge suddenly collapses in Miami. (S1, ep 5) 7+.

Tim and Fuzz find an Escort RS that has seen better days, and meet the owner who needs a helping hand restoring it. (S2, ep 9) 7+.

An out-of-control turboprop breaks apart while trying to land at Düsseldorf airport, instantly killing everyone on board. (S25, ep 3) 7+.

One of the greatest fortifications in warfare history, the campaign to breach Hitler's Siegfried Line cost 140,000 American casualties. (S2, ep 2) 7+.

In 1982, a flight from the US capital crashed into a bridge on the River Potomac. All but five of the passengers perished under the water. What went wrong? 7+.

The guys try to cheer up Gary, who's had a spell of ill health. But they soon find that not a single part of his Ford Escort is salvageable. (S7, ep 9) 7+.

At Rome's Fiumicino Airport, Border Police stop a father and son traveling with fake passports, and a woman refuses to cooperate.

Experts investigate the shocking crash of United Airlines Flight 173. Ten people died in the disaster in Oregon. What caused all four of its engines to fail? 7+.

Brace for disaster as highways fall, bridges collapse and buildings crumble in a global tour of shocking engineering failures. (S3, ep 2) 7+.

Witness the aftermath as crews battle radioactive fallout, a concrete tomb seals the reactor and the world questions the Soviet story. (3 of 4) 7+.

Uncover the truth as trials unfold, hidden reactor dangers emerge and decades later Chernobyl's exclusion zone becomes a war zone. (4 of 4) 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.

Tim and Fuzz take on Raymond's 1990 Nissan Pulsar GTI-R, the dream build he couldn't finish. From its corroded shell to scattered parts, this is a risky build. (S14, ep 6) 7+.

An elderly woman arriving at JFK is suspected of cleverly concealing narcotics in bottles, while agents at MIA carry out a daring drug sting.

Danley Demolition Crew gamble on a fire-damaged property. Can they salvage enough treasure from its ashes to cover the cost of the demolition? 7+.

Rich hunts for old rocket parts under the belief they are made from precious metal. Plus, how much can Dave make from the silver found on old photo paper? 7+.

Rich tries to make money by extracting and selling the silver from solar panels. Diego buys a casket, but are its gold engravings worth as much as he hopes? 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. (S2, ep 3) 7+.

Discover how sweet and crispy waffles, tangy, crunchy Doritos, dreamy dark chocolate milk, and an extravagantly cheesy Indian dessert is really made. (S2, ep 4) 7+.

June tries to help her wary pup find his confidence. Ruby faces off against an invading family, and Scarlett learns just what it takes to protect her pups. (S1, ep 5) 7+.

June fears for her pups. Charlotte must fight the bullies if she's to survive the dry season. A cannibalistic male moves onto Ruby's patch. (S1, ep 6) 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 holiday is your greatest one.

Deep in enemy waters, USS Silversides battles depth charges and a jammed torpedo as it intercepts Japanese ships. (S2, ep 1) 7+.

Tragedy strikes when a plane lands short of San Francisco's runway. Plus, flight crew face a deadly storm just before touchdown in Dallas.

Lost Nukes of the Cold War: 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+.

Uncover the truth behind the 'Curse of Tutankhamun' and search for clues to how the ancient Egyptians used magic and spells to protect the dead. (3 of 8) 7+.

Brace for disaster as highways fall, bridges collapse and buildings crumble in a global tour of shocking engineering failures. (S3, ep 2) 7+.

Tim and Fuzz head to Hartlepool, where they hope to give a car enthusiast a much-needed cheer-up by secretly restoring his cherished camper van. (S2, ep 10) 7+.

Facing heavy snow and a tight curfew, the pilots of a chartered private jet are determined to land at Aspen's notoriously tricky single-runway airport. (6 of 7) 7+.

Witness the disaster unfold as survivors reveal the first terrifying hours of a nuclear meltdown the world was never meant to see. (1 of 4) 7+.

Tim and Fuzz take on Raymond's 1990 Nissan Pulsar GTI-R, the dream build he couldn't finish. From its corroded shell to scattered parts, this is a risky build. (S14, ep 6) 7+.

Tim and Fuzz take on Stephen's 1983 Citroen 2CV, a quirky French car that looks more like a jigsaw puzzle than a much-loved motor. (S7, ep 10) 7+.

At Italy's busiest airport, police seize cocaine-soaked pajamas hidden in a stuffed animal. Elsewhere, passengers are stopped at immigration.

Gripping investigation into the 2011 air disaster that killed an entire top-flight Russian ice hockey team. What caused the devastating crash? 7+.

Two-part documentary exploring how Nazi ideology made children pledge their lives to Hitler and how they were turned into soldiers. (1 of.

A look at the hundreds of brainwashed Hitler youth members. Those captured spent up to three years in denazification camps. (2 of.

Resistance fighters in German-occupied nations risk all to assassinate Hitler. Experts reveal the plot details of each mission. (S1, ep 2) 7+.

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