The team brave treacherous conditions in a search for missing submarines from World War 2.
(00:30)Will the Dive Detectives find a century-old missing gunboat full of precious cargo?
(00:30)The Dive Detectives investigate one of the greatest maritime mysteries.
(00:30)A preview of Great Railway Adventures with Dan Cruckshank.
(00:40)The railways were used to mobilise troops during the first and second World Wars.
(00:45)Take a look at one of the first narrow gauge railways.
(00:56)Dan Cruickshank goes for a ride on a narrow gauge railway.
(00:30)Prince, one of the first narrow gauge locomotives.
(01:44)See how the railways were used to evacuate children from the big cities during World War 2.
(00:51)Dan Cruickshank talks with Reg Brown, who survived the bombing and sinking of the Lancastria in 1940 during a troop evacuation...
(02:39)Brunel won a competition to design Clifton Suspension Bridge.
(01:30)A look at the creation of Swindon town that became the heart and soul of the Great Western Railways.
(01:26)Dan Cruickshank goes for a ride on the Scots Guardsman.
(00:54)Visit the world's first purpose built railway station.
(01:03)The Planet was an up-to-date version of The Rocket that was exported to other countries by Britain.
(01:30)An episode dedicated to Isambard Kingdom Brunel, the greatest engineer of his time.
(01:47)Could a natural disaster be the cause of The Ten Plagues of the Bible?
(01:30)Dr Robert Miller talks about the bizarre connection between plagues one to nine....
(00:45)See the remarkable story that covers half a century of crime in one of Britain's most violent cities.
(06:28)Meet Glasgow's first 'Godfather' who started his career in the 1930s.
(06:21)