About this showing of Secrets Underground
When an infamous pirate city sunk into the sea, a huge treasure may have gone with it. Could cutting edge technology reveal its resting place.
Previously on TV
Secrets Underground
Lost Pirate City Of Treasure
Previously shown on Discovery .History on Wed 2 Sep 2026 at 09:00.
This showing has ended
This showing was on Discovery .History at 09:00 on Wed 2 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .History
StartsWed 2 Sep 2026, 09:00
EndsWed 2 Sep 2026, 10:00
Episode / edition: Lost Pirate City Of Treasure
Next showing of Secrets Underground
The next currently listed showing is Fri 4 Sep 2026, 04:00 on Discovery .Science.
See all current showings