Nat Geo HD

Investigators struggle to access the site where a Santa Barbara Airlines Flight crashed in 2008. Can they gather enough evidence to prove what went wrong? 7+.

A salmon truck crashes and sparks a night of havoc, as Thord and Bjorn attempt to rescue the valuable load. Plus, rookie Domenic embarks on a solo mission. (S9, ep 2) 7+.

Ruins excavated on Pitcairn Island shed light on a previously unknown civilization. The remains of a temple are found on the island of Euboea. 7+. (3 of.

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+.

The guys hit the jackpot in an old farmhouse, finding a Windsor icebox, an Edison phonograph and a secret manual for the Boeing B-52 bomber. (S1, ep 5) 7+.

The crew head to a disused cotton gin in Georgia, where a depression-era portrait, a Zenith radio and a home-made hot rod set their hearts racing. (S1, ep 6) 7+.

Discover how succulent stuffed olives get from branch to jar, and how 12,000 plates of tasty tortellini are made per day. (S1, ep 21) 7+.

A look at how traditional methods still factor into modern-day croissant production and why shredding is key to making delicious rhubarb-strawberry jam. (S1, ep 22) 7+.

Slow and Steady Wins the Mate: Heidi Rose finds a mate and a herd of onagers are wrangled into the barn for their annual check-ups. (S2, ep 8) 7+.

A "golden girl" mandrill named Eebi undergoes a risky procedure. Plus, a sly cheetah proves she's nobody's fool. (S2, ep 9) 7+.

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Careening into a mountaintop just minutes from the runway, an American charter flight becomes the worst aviation disaster in Portuguese history. (S22, ep 2) 7+.

Paul Salopek walks the Tea Horse Road, a southerly branch of the vast ancient silk road network in China, delving into its rich history and culture. 7+.

Paul Salopek traces the ancient Min River in Sichuan province with his local walking partners, including Chinese historian Professor Luo Xing. 7+.

During the Battle of Britain, the fate of a nation rested on the legendary Supermarine Spitfire as it stood between Nazi Germany and the invasion of southern England. (1 of 5) 7+.

A Japanese sports car with an unusual engine presents Tim and Fuzz with a major challenge. Can they get charity worker Conor's Mazda back on the road? (S5, ep 10) 7+.

Take a tour of some of the world's most expensive and useless airports and learn why a Shanghai apartment tower dropped like a slab. (S2, ep 4) 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. (S9, ep 6) 7+.

As Africa develops at pace, communities unite to protect the continent's iconic wildlife and secure its future. (7 of 7) 7+.

The series digs into the world's biggest aviation mystery to explore how MH370 crashed without a trace. (S1, ep 10) 7+.

Africa's vast plains are home to some of nature's greatest spectacles. As the environment constantly changes, wildlife must adapt to survive. (5 of 7) 7+.

Thord's top team battles the biggest blizzard of the winter as they try to rescue two trucks in trouble.

The worst rail disaster in French history happened on 27 June 1988, when an out of control train careered into a packed Gare de Lyon platform. How did it all go wrong? 7+.

A C-130 firebomber crashes while battling an epic Australian wildfire. And ATSB investigators must determine the cause within an active fire zone. (S24, 3 of 10) 7+.

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.

It's September 1943 and Operation Avalanche is underway. But, the battle through Italy to liberate Rome will be one of the longest and bloodiest campaigns of the war. 7+.

Hannah Fry visits South Korea to uncover how a nation once defined by war and division became a global force in culture, business and technology. (1 of 6) 7+.

Vanished: With wreckage lost in the Atlantic Ocean, the crash of Air France Flight 447 in 2009 launched one of the toughest disaster investigations of all time. 7+.