1. Sunken Cities

Lost civilizations, mysterious cities and legendary sites have all vanished. Can draining the seas help unlock what caused their demise?

2. Treasures of The Deep

For centuries treasure ships sailed the world hunted by pirates, battered by storms and reefs. Only now can we begin to explore what remains of them.

3. Sunken War Ships

Under the seas lives a lost graveyard of sunken war ships. Countless vessels from WWI and WWII pepper the seafloor waiting to be explored.

4. Stormy Seas

Towering walls of water, powerful winds and churning seas can overwhelm any ship. But what secrets of the stormy seas can now be revealed?

5. Sabotage On The High Seas

In warfare, saboteurs are a silent, unseen enemy with advanced weaponry and their element of surprise sending many ships to their final resting place.

6. America's Sunken Shores

War, weather and human error have led to some of the worst maritime disasters history. Drained dry we now reveal the mysteries along America’s shores.

8. Undersea Empires

Beneath the waters of the world, lies undersea empires and relics of their bloody wars. Can today’s technology uncover these lost empires?