National Geographic Channel Sunday

Teleshopping. U.

Teleshopping. U.

Teleshopping.

A job at an old school house proves lucky for the team when a Second World War Enigma machine worth up to £60,000 is spotted and recovered

The Danley Demolition Crew wants to gamble on a 1730s New Hampshire farmhouse, only to discover the owner declares he is keeping the salvage

Following the resilient crews who battle ferocious weather and treacherous terrain to keep Canada's critical freight and passenger trains rolling

Canadian Pacific Railway crews transport a huge payload of coal across the Rockies. Plus, a hockey team is stranded in the frozen wilderness

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

When an Amazon cargo plane nosedives into a swamp outside Houston, the investigation brings to light a pilot with a long history of failures.

A fatal collision at Los Angeles International Airport in 1991, when an air-traffic controller assigned an inbound flight to a runway where another plane was waiting to take off

A look at the strategy and series of errors that led to the sinking of the Bismarck in 1941, an incident during which more than 2,000 German sailors were killed

Dr Robert Ballard dives beneath the surface of Turkish waters to find ships and submarines wrecked during the First World War, revealing the stories of their crews

Archaeologist Tony Pollard explores Rochester Castle and an infamous medieval siege, while military historian Alex Churchill discovers how Britain tackled Napoleon

Part one of two. Documentary about Hitler's private army, formed in 1925 from volunteers who were subjected to intense propaganda and aspired to become part of a racial elite

Part two of two. A look at the role of the SS in the Holocaust, with many volunteering to run the death camps, believing the massacre was for the good of their nation

The voyages and exploits of Bartholomew Roberts, aka Black Bart, whose piracy almost brought the West Indies trade to a standstill until he was hunted down

Archaeologists investigate Egypt's most famous queen Cleopatra, exploring a large tomb full of mummies and uncovering the woman behind the myth.

Re-examining the film that captured John F Kennedy's assassination in Dallas, using high-definition equipment in a bid to shed new light on the US president's final moments

Behind the scenes at the world's most secret military base, featuring contributions from CIA agents and employees about previously classified missions

The Black Sea is a place of legend, and ships have sailed on its waters for millennia. Three wrecks unlock secrets of this mysterious sea

Sam Sheridan investigates the curse of Vlad Tepes, a 15th-century eastern European ruler whose curse upon his Romanian homeland has lasted for six centuries

Examining archaeological finds, including a large tooth and a small bone, that suggest a prehistoric species could have once bred with humans

Dave tries to get his hands on some old gold-mining equipment, believing it may still contain fragments of the precious metal. Rich gets the chance to search an old building

Dave hopes to find hidden gold in a former jewellery shop, while Rich makes an unlikely discovery when he clears out an antique dealer's storage locker

A look at the production of sugar-free mints, raspberry jellies and cranberry pecan clusters

A look at the production of curly fries, red velvet cake and caramel marshmallow squares

The team discovers a German machine gun, capable of shooting up to 1,500 bullets per minute and some letters from the Civil War

Sean Rich estimates the value of a derringer pistol, while the team examines a Captain America comic book that a fan went to great lengths to get hold of

Dr Kelleher returns to treat an array of patients in the hopes of reuniting them with their loving owners

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping. U.