National Geographic Channel Sunday

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Train crews in the Rockies must haul their 15,000-ton grain train through ice-encrusted tunnels to make their delivery on time

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

Aerial footage of railway journeys

Floating bridges connecting communities where traditional structures cannot. Crews must act fast to prevent traffic, weather and shifting water from causing major problems

A helicopter crashed into the ocean off the coast of Newfoundland. As investigators search for survivors, they find a fatal flaw in the aircraft's design

Investigators delve in to the disappearance of a turboprop commuter plane approaching a remote airport in Indonesia, and discover why three vital safety features all failed

Dramatic reconstruction of the China Airlines flight that came close to disaster in February 1985 when the engines stalled and the plane plunged six miles toward the Pacific Ocean

The 2011 disaster that saw Manx2 Flight 7100 cleared for landing at Cork Airport, only to go into a severe roll and crash into the runway, leaving six passengers and crew dead

Investigators struggle to gain access to the remote site where a Santa Barbara Airlines flight crashed in 2008

A brand new aircraft crashes into a mangrove swamp in Cameroon with no survivors, and investigators discover a lethal cascade of issues that contributed to the disaster

When a two-billion-dollar Stealth Bomber crashes in Guam, it is up to the US Air Force to investigate the most expensive aviation accident of all time

In Denmark, workers uncover a mysterious wood-lined tunnel. In Virginia, excavations reveal the foundation of an 18th-century building and a cellar filled with colonial artifacts

Archaeologists investigate the eruption of the volcanic island of Santorini, one of the most devastating natural disasters in human history

They disappeared without a trace or a soul to tell their tale. Shipwrecks so mysterious, their fate became the stuff of legends, until now.

Experts investigate alleged sightings of mystery creatures in the world's lakes and lochs, and whether living descendants of the dinosaurs could exist underwater

Archaeologists uncover ancient medical secrets

On final approach to Islamabad in heavy fog, Airblue Flight 202 slams into the Himalayan foothills, killing all onboard

Tim Shaw and Fuzz Townshend tackle their first motorbike, a 1973 Triumph Bonneville motorbike belonging to ex-postmaster Ian, for an emotional reveal in the heart of Wales

Tim Shaw and Fuzz Townshend tackle a Golf GTI Mk1 owned by one of Birmingham's biggest VW fans. Unlike previous builds, this isn't a typical restoration

The manufacture of the Audi R8, a road car that has been modelled on the company's Le Mans 24 Hours-winning machines

A behind-the-scenes look at furniture manufacturer Ikea, discovering what it takes to fill more than 300 stores worldwide with its range of products

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.