(CGI) The oldest submerged city: A 5,000 old sunken perfectly designed city in Southern Greece In the Peloponnesus region of southern Greece there is a small village called Pavlopetri, where a nearby ancient city dating back 5,000 years resides. However, this is not an ordinary archaeological site – the city can be found about 4 meters underwater and is the oldest known submerged city in the world.
In the Second World War Chuuk Lagoon was Japan's main base in the South Pacific, but in 1944, American forces launched an attack and over a two day bombardment more than 60 warships ended up on the floor of the lagoon.
Coolest Underwater Attractions: Truk Lagoon, Micronesia At the top of even the most casual wreck enthusiast’s bucket list, Truk (a.k.a. Chuuk) was the forward stronghold of Japan’s Imperial Navy during World War II before it was bombed into oblivion in February 1944. The coral-encrusted ghost fleet (some 60 ships, 275 airplanes)—with gas masks, ammunition, guns, and bones still rattling inside—litters the sandy floor at an average depth of 65 feet.
The Andrea Doria was an Italian ship that sank after colliding against a Swedish ship MS Stockholm in the year 1956, while trying to reach the port of New York City. However, in spite of the severity of the incident, not many lives were lost because of timely communication by the ship’s authorities. Today, the shipwreck is a very famous site for divers. In fact, the Andrea Doria shipwreck site is known as the Mt. Everest of Scuba Diving.