In warfare, saboteurs are a silent, unseen enemy with advanced weaponry, and they use their element of surprise to send many ships to their final resting place.
Lost civilizations, mysterious cities and legendary sites have all but vanished over the last few hundred years. Investigators use technology to "drain the seas" to try and unlock what caused their demise
War, weather and sometimes human error, have led to some of the worst maritime disasters in history. Drained dry, investigators can now reveal at least some of the mysteries lying along America's shores.
Towering walls of water, powerful winds and churning seas can overwhelm any ship and hide its watery grave site. Now new technology can be used to force the stormy seas to give up some of its secrets
The seafloor and its seismic fault lines are the world's biggest tsunami machine, and its dangers, that have long been hidden from view, are now being forced into the light by new technologies.
For centuries treasure ships sailed the world, hunted by pirates, battered by storms, and wrecked on reefs and rocky shores, but now the technology exists for us to begin to explore what remains of them.
Beneath the waters of the world, lie undersea empires and relics of their bloody wars. With today's new technologies, we can finally uncover the secrets of these lost empires
On the seafloor there is a hidden graveyard of sunken war ships. Countless vessels from WWI and WWII pepper the seafloor waiting for new technologies to bring their sad stories to the light of day