Secrets of the Dead
The Sunken Basilica
A survey flight over Turkey's Lake Iznik unexpectedly reveals the sunken remains of a fourth-century basilica. (60 minutes)
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UPCOMING EPISODES
Sun, 7/13 at 2:00 pm on Austin PBS HDTV
Leonardo, The Man Who Saved Science
New evidence suggests that many of Leonardo da Vinci's ideas can be traced to other scientists, as far back as 1,700 years. (60 minutes)