How did the residents of Machu Picchu get the water needed to survive in a hostile, mountainous, environment? Find out how...
(02:59)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)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)How does St. Paul’s Cathedral compare with other cathedrals around the world? Architect Alistair Lenczner from Foster &...
(03:08)Discover how the pyramids, Victorian railways and Wembley stadium are all connected. Confused? Alistair Lenczner from...
(01:19)Half the world's population lives in striking distance of a major fault line. Ultimate Disaster examines key earthquakes of...
(00:54)Experts look at the history and power of volcanoes and ask if modern cities face annihilation in a mega-eruption.
(00:54)The theological implications of this important biblical document are explored by scholars and scientists.
(01:04)Spinal Tap’s Nigel Tufnel shares his unorthodox views about Stonehenge.
(01:46)During an interview with National Geographic to discuss the upcoming Stonehenge Decoded special, Nigel Tufnel opens up about...
(01:29)Nigel Tufnel experiments with harmonics and a potato, while discussing Stonehenge Decoded with National Geographic.
(01:41)Nigel Tufnel enters the lab to explore Stonehenge's mysteries. Was it used as an ancient amplifier?
(01:42)Watch Nigel Tufnel's unorthodox theory on how Stonehenge was built with the help of dinosaur saliva and why aliens didn't...
(01:40)Many believe that the ancient stones not only marked, but predicted astronomical phenomena. Find out why the alignments of...
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