Secrets of the Dead.

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)