Secrets of the Deep (2013)

When you stand next to a reconstructed boat of an ancient Pharaoh, you truly see that these men were worshiped as Gods on Earth. The boats' incredible and complex designs rival that of the pyramids themselves.

A dogfight lasting a mere 15 minutes over Norwegian fields during WWII. 60 years later, the fjords still guard the secrets of the 10 allied planes that were shot down. It is now one of the most important sites in aviation archaeology.

Treasure hunters scour the ocean floor in search of shipwrecks and lost riches. The waters off the Florida Keys still hold some of these riches, even a king's ransom, just waiting to be found.

Cities swept into the sea, civilizations lost beneath the waves, but is Atlantis more than a myth? Are there real sunken cities waiting to be discovered? Today, new technology is helping to find lost societies around the globe.

There are more than 3,000,000 shipwrecks in the world, each one with a unique story. The age-old battle between treasure hunters and archaeologists continues to rage as more and more of these wrecks are uncovered.