View the production credits for Lost Ships of Rome.

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In 2009 a team of marine archeologists carrying out a sonar survey of the seabed around the remote Italian island of Ventotene made an astonishing discovery.

The royal tomb of Pharaoh Psusennes I is one of the most spectacular of all the ancient Egyptian treasures. Watch the full episode online.

View the production credits for The Silver Pharaoh.

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The royal tomb of Pharaoh Psusennes I is one of the most spectacular of all the ancient Egyptian treasures - even more remarkable than that of Tutankhamen. So why hasn't the world heard about it? What mysteries does it contain? And what does it reveal about ancient Egypt?

Watch the full episode of Secrets of the Dead: The World’s Biggest Bomb

Read the full transcript for Secrets of the Dead: The World’s Biggest Bomb