Nat Geo HD

Drug traffickers throw their cargo into the water, the Special Unit for Subaquatic Activities must quickly change course and an illegal fishing boat takes cover. 7+.

Flying from the Kathmandu to Pokhara, Yeti Airlines Flight 691 stalls and crashes into a gorge where investigators find a scene of annihilation. (1 of 10) 7+.

As Vesuvius erupts, Marcus Attilus' fate remains a mystery, yet his story lives on through the legacy of Pompeii's games. (S1, ep 3) 7+.

Fight for Survival: In this special episode, submarine crews fought for survival as they engaged in some of the most intense naval battles of World War II. (S3, ep 1) 7+.

Surrender isn't an option for the Japanese as its civilians prepare to see off an Allied invasion. They also unleash a new weapon: suicide bombers. 12+.

Looks at why Flight 1363 from Dryden crashed after take off. What happened? And how did the US's failure to heed Canada's mistakes end in more tragedy? (S8, ep 6) 7+.

Looks into the crash of Chalk's Ocean Airways Flight #101. Rocked by an explosion 500 feet up, the aircraft plunged into the ocean leaving no survivors. (S8, ep 8) 7+.

The Nazis reshaped nature to fit their ideology. Using archaeology, conservation and violence to build a world that reflected their Aryan ideal.

Cutting-edge visuals drain the water around Alcatraz to reveal why the prison was so inescapable and find out what the bay's fault lines could mean for San Francisco's future. 7+.

Thord must put his new rotator truck to the test when a tractor crashes down a hill and turns wheels up. (S10, 2 of 8) 7+.

Lightning bolts cause construction mayhem whenever they strike buildings. All over the world, cities are sinking for very different reasons. (S2, ep 5) 7+.

Who's At The Controls? The pilots of an Eastern Airlines flight became concerned that their landing gear was not locked for landing. Did this distraction cause the plane to crash? 7+.

On final approach to Islamabad in heavy fog, Airblue Flight 202 slams into the Himalayan foothills, killing all onboard. (2 of 10) 7+.

A mid-air explosion rocks Southwest Airlines 1380. While pilots struggle to regain control, flight attendants make a horrifying discovery. (S20, ep 5) 7+.

A midnight call to a truck fire in -30°C weather finds the crew fighting to extinguish the flames and rescue the driver. (S1, ep 1) 7+.

Experts are forced to confront a controversial issue as they dig into the fate of Asiana Airlines Flight 214 which crashed into a seawall in 2013. 7+.