National Geographic Channel Wednesday

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A spike in the temperature threatens Rocky Mountain's shipments. The team struggles to shore up the track after mudslides and washouts devastate the railway line

The 1992 accident that saw Copa Airlines Flight 201, a Boeing 737 en route from Panama to Colombia, enter a high-speed dive, causing it to disintegrate in mid-air

The voyages and exploits of Anne Bonny and Mary Read, revealing them to be more ferocious than some of the male pirates they sailed with

The colossal defences built by the Nazis along Norway's coastline and the entire Italian peninsula

Compilation of highlights form the series, featuring massive machines created under the most inhospitable conditions

Tim and Fuzz are off to the home counties, where Andy, who has cerebral palsy, awaits with his highly modified 1955 Ford Poplar and a host of problems

The errors that caused the deaths of 118 people in the 2001 Linate airport disaster in Milan, when a pilot was forced to rely on ground controllers for take-off

Insight into the horrors of September 11, 2001, focusing on the American Airlines plane that struck the Pentagon within one hour of the first jet hitting the World Trade Centre

With real-time access to a US border security team, discover the extraordinary story of how Mexican cartels have smuggled cocaine into the US over the last 40 years

Thord puts his life on the line when he crawls under an unstable 20-ton bread truck stuck on the rocks

Spring break puts new pressure on the airport infrastructure, its staff and the very planes themselves

An out-of-control turboprop breaks apart while trying to land at Düsseldorf airport, instantly killing everyone on board

Part one of two. Paleoanthropologist Ella Al-Shamahi begins to unravel the extraordinary truth behind the legend of Tutankhamun, investigating the pharaoh's curse

Part two of two. Ella Al-Shamahi dives deeper into the truth behind Tutankhamun's curse - can modern science can explain a number of the deaths attributed to it?

An early-morning flight from Lexington, Kentucky, ends in disaster when a twin-engine jet careens off the tarmac

Investigators try to find out why a plane crashed just a few miles from the runway in Colorado but find no answers - until an unlikely discovery leads to a shocking revelation

Avalanche technicians race to repair a remote weather station before an incoming storm. The escalating risks force them to flush out a dangerous buildup of snow

HSI stakes out a cartel handoff of cocaine in Texas, while CBP finds coke hidden on ships in Miami and screens for duty violations at JFK

Rich makes a shock discovery in a science lab, while Diego looks to make a mint from old spark plugs and Dave gains access to a huge metal factory

A suspicious passenger arrives into LAX from Nigeria with a story that does not add up, and the MIA team unearth a massive shipment of a mysterious green powder

HSI investigates a suspicious baggage handler at JFK and uncovers an international criminal organization using airline employees to traffic cocaine into the US

Discover how delicious kettle cooked potato chips, lollipops, and very colourful ice cream cones are created from raw materials to finished products

Discover how delicious frozen cheeseburger sliders, spicy salsa, and fruity chocolate-covered cherries are created from raw materials to finished products

A look at the monarch butterfly's incredible multi-generation migration from Mexico to Canada - a round-trip that none of them lives to complete

It's baby boom time on Africa's vast Serengeti Plain. One million wildebeest halt their migration to give birth. And there are predators everywhere

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