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Hagia Sophia: Istanbul's Mystery Preview
Preview: Season 42 Episode 4 | 30s
How has this unique structure, built on a seismic fault, survived centuries of quakes?
How has this unique structure, built on a seismic fault, survived centuries of quakes? Airing February 25, 2015 at 9 pm on PBS
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
![NOVA](https://image.pbs.org/contentchannels/iAn87U1-white-logo-41-7WCUoLi.png?format=webp&resize=200x)
Hagia Sophia: Istanbul's Mystery Preview
Preview: Season 42 Episode 4 | 30s
How has this unique structure, built on a seismic fault, survived centuries of quakes? Airing February 25, 2015 at 9 pm on PBS
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Learn Moreabout PBS online sponsorshipNational Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.