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Sunken WWII artifacts reveal Nazi secrets.

The history of the Gulf of Mexico is marked by pirates, naval battles, slave trade and even the theorized meteor that supposedly brought about the extinction of dinosaurs. What artifacts from these eras lie there today?

Mediterranean Sea was the source of existence for many ancient civilizations. Which artifacts that they left behind lie hidden at its bottom today?

Treasure hunters' favorite sunken treasures and wrecks.

Lost cities claimed by the ocean.

Under the Pacific Ocean lies a vast area known as the Ring of Fire where 75% of the world's volcanoes lie and 90% of earthquakes occur. Evidence show that its seismic activity could destroy Japan, North America and New Zealand one day.

The waters of Egypt reveal some fascinating historical secrets. What did the Pharos Lighthouse of Alexandria really look like? Why were the so-called Abydos boats buried in the desert? Who built 15 forts on the Nile that never saw battle?

Four stories about drama in the (East / South) China Seas, clarified by the virtual sea-emptying laser-exploration techniques. In World War II, the largest battle ship was the Japanese Yamato, secretly built at a size and canons beyond the wildest Western imagination. It saw little action, being sunk while serving as a floating fortress in the desperate naval last stand against the US approach to Japan, falling victim to its own strength: a lucky hit in a gun turret ignited its immense ammunition stock, causing fatal explosion. The term kamikaze, wind of the gods, dates from a 13th century stand, when the samurai shivered on Japan's southern coast at the arrival of a huge fleet sent from China by the Mongol conqueror Kublai Khan, which was utterly wrecked by a 'lucky' early typhoon, but only was fatal because the ships were built hastily and shoddy, barely seaworthy. Along Vietnam's coast, the Cham archipelago is lined with commercial ship wrecks over the centuries of sailing, due to ... Written by KGF Vissers

Look at the mighty war machines of WWI which lie on the bottom of the ocean.