Robots toiled 3km under the sea to build the longest sub-sea pipeline in the world, connecting the UK and Norway.
(00:36)Discover the secrets of the Alhambra’s defences and explore the watchtower – the anchor for the planned Muslim fortress.
(02:57)How did the Alhambra get water for survival? Find out how the practical uses of water created a beautiful oasis in the heart...
(02:58)Discover how the Nabutian builders of Petra transported water through the scorching desert using terracotta pipes, and...
(02:59)Al Khazneh is Petra’s architectural highlight. Find out about the engineering genius behinds its construction and who...
(04:59)The most iconic element of St Paul’s is the mighty dome of St Paul’s, topped by a gold cross 111 metres above the ground....
(02:59)Discover the secrets behind the building of St Paul’s Cathedral, one of the iconic landmarks of London and how its...
(04:52)Discover the intricate detail of mosaics, gold and marble that went into the lavish decoration of Hagia Sophia.
(03:00)How did the residents of Machu Picchu get the water needed to survive in a hostile, mountainous, environment? Find out how...
(02:59)Home to more than 1 million people in the twelfth century and larger than any European Cathedral, Angkor Wat remains one of...
(00:53)Laterite, a ‘magic stone,’ was massively important in the construction of Angkor Wat, plus, we uncover the difficulties...
(03:00)Find out why the gigantic moat surrounding Angkor Wat was so important in the construction of this ancient megastructure,...
(03:00)What was Sir Christopher Wren’s best building? Find out what building trumps St. Paul’s Cathedral as his major...
(01:19)Discover how the pyramids, Victorian railways and Wembley stadium are all connected. Confused? Alistair Lenczner from...
(01:19)A nuclear power plant needs a new turbine, and it’s a race against time. We’ve got to get the power flowing back to the grid.
(00:44)Go behind the scenes with Chris Barrie during the making of Britain's Greatest Machines.
(03:29)This series explores the nitty-gritty of Ground Warfare in an engaging and unpredictable way.
(00:57)One of the best-kept secrets of World War II - Japan's Secret Sub.
(01:11)Lightweight yet strong. Discover how aluminium has revolutionised automotive construction.
(03:03)Find out why the R8 engine is guaranteed to put a smile on its owner's face.
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