Discover the secrets of the Alhambra’s defences and explore the watchtower – the anchor for the planned Muslim fortress.
(02:57)There was more to the Alhambra than a fortress – it was also designed with Palaces and peaceful gardens in mind. Discover...
(05:00)Discover how the Nabutian builders of Petra transported water through the scorching desert using terracotta pipes, and...
(02:59)Find out about the constructional engineering that went in to building Al Khazneh, which is integrated into the rock face.
(02:55)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)It was 9 years after the Great Fire of London before work on St Paul’s Cathedral began. But in an age of intense religious...
(02:59)How did the residents of Machu Picchu get the water needed to survive in a hostile, mountainous, environment? Find out how...
(02:59)Perched high above a mountain ridge, Machu Picchu architects face a constant battle with gravity – discover how the...
(03:00)Machu Picchu is a spectacular sight, but its location meant considerable hardship for builders. Heavy rainfall and earthquake...
(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)What was Sir Christopher Wren’s best building? Find out what building trumps St. Paul’s Cathedral as his major...
(01:19)How does St. Paul’s Cathedral compare with other cathedrals around the world? Architect Alistair Lenczner from Foster &...
(03:08)Half the world's population lives in striking distance of a major fault line. Ultimate Disaster examines key earthquakes of...
(00:54)The tallest man-made structure on earth, a city in the sky, is the pinnacle of skyscraper engineering.
(01:57)Specialist Model Making. A step by step guide to the techniques involved in sourcing, sculpting and painting the...
(03:53)Follow Armand Leroi as he retraces Darwin's steps and discovers what inspired his groundbreaking ideas.
(02:06)As scientists try to forecast the future consequences of the big melt, internationally acclaimed photographer James Balog is...
(01:13)In the next hundred years, the oceans will expand on their own as they warm, accounting for about 30 centimeters of sea level...
(03:00)Around 1997, there was an abrupt 1.6 degree Celsius jump in coastal water temperatures, exactly when the outlet glaciers began...
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