Thanks to ancient ancient manuscripts, we know that people have always believed that new lands rise from the depths of the oceans, and the old ones can sink under water, destroying entire civilizations.
The most famous underwater land is the island of Atlantis, about which Plato wrote about 2.5 thousand years ago. Over the past 100 years, with the development of technology and special techniques, including sonar, it has been possible to stumble upon very curious underwater anomalies.
Some strange objects like Bimini Road cause a lot of controversy. Some of the anomalous sites are not so close to the surface, but are hidden at great depths.
Mysterious structure in the Sea of Galilee
In 2003, scientists were quite surprised when they discovered a massive stone circular structure underwater at a depth of 9 meters in the Sea of Galilee (Israel). This structure is composed of basaltic rocks, is cone-shaped and is twice the diameter of Stonehenge in the UK.
Only recently have the results of research on this strange design been published. Archaeologists claim that it has very similar features to ancient communal burial grounds found all over the world. Structures of this size have not been found before, so the researchers cannot say when this structure could have been built.
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Mysterious underwater structures on Google maps
Strange circular structures can be seen in images from space off the coast of Florida, North Carolina and Belize. They were spotted by archaeologists and researchers of strange places in the images of Google Earth. Although similar anomalies have been seen in many other parts of the world, researchers do not yet know exactly what it is. Some believe that these circular structures could once have been burial mounds.
These structures are very similar to the stone structures found in Saudi Arabia. They are probably better preserved under water than on land, and date back to around 8 millennium BC. The structures found in Saudi Arabia are about 9 thousand years old.
A strange structure in a Canadian lake
Divers discovered traces of the past of the ancient inhabitants of western Canada while participating in a unique underwater project in 2005. They found a very curious rock structure at a depth of about 12 meters in Lake McDonald, Ontario, Canada.
This structure consists of an elongated piece of stone weighing about 450 kilograms with an almost flat surface, which rests on 7 stones the size of baseballs, which, in turn, rest on a slab weighing about a ton.
It was initially suggested that it was a natural structure, until geologists and archaeologists studied the images of the structure in more detail. It has been proven that this object was created by man.
Anomaly in the Baltic Sea
The anomaly of the Baltic Sea, which was investigated in 2012, caused a lot of controversy and speculation. Someone argued that this disk-shaped structure, which rests on the bottom of the sea, could be sunk by a Nazi submarine, others put forward the version that it could be a sunken alien ship.
Although Swedish scientists have convinced the world that this is just a piece of rock and not a UFO at all, their research has raised many questions. First, this piece of stone does not have a layer of silt on top. Usually any stone that lies on the ocean floor for a long time is covered with silt.
Moreover, this stone, about 60 meters wide, appears to be covered with lines and propped up by a tall cushion 8 meters high.
Lake Baikal mystery
Lake Baikal in the southern part of Siberia is unique for many reasons. It is the oldest, deepest and largest freshwater lake on the planet. The thickness of the sediments at the bottom of this reservoir is 7 kilometers, and many species of fish that live in the waters of this lake are not found anywhere else.
A layer of ice can cover the surface of the lake until June. Astronauts at the International Space Station in April 2009 were very surprised when they saw a strange circular area of thinner ice near the southern edge of the lake. They also noticed a similar area at the other end of the lake, above the underwater ridge that divides the lake.
While the origin of these strange circles remains a mystery, it has been suggested that warmer water is coming to the surface in these areas. However, no hydrothermal activity has ever been observed in this zone before.
Stonehenge Lake Michigan
While Stonehenge in the UK is one of the world's most famous ancient stone monuments, it is far from the only one. Similar stone structures have been found all over the world.
In 2007, while exploring the bottom of Lake Michigan using sonar, a group of underwater archaeologists discovered a series of stones arranged in a circle at a depth of 12 meters. An engraved design was found on one of the stones.
The image is similar in outline to a mastodon, an animal that became extinct about 10 thousand years ago. The version of the ancient Stonehenge is quite plausible, because scientists have already found similar structures in the area.
Underwater city off the island of Cuba
A series of underwater structures were discovered off the coast of Cuba in 2001. Archaeologists, historians and hunters for Atlantis from all over the world are interested in these structures. Sonar images taken by a team of seabed researchers showed symmetrical and geometrically regular structures that span an area of about 2 square kilometers at depths ranging from 600 to 750 meters.
Skeptics believe these structures are too deep to be human-made. It is estimated that it would take at least 50,000 years for the structures to sink to that depth.
If conclusive evidence is found that the structures are man-made, they can add much to our knowledge of the ancient Maya and their ancestors, whose cities plunged into the depths of the ocean.
Japanese monument Yenaguni
Since its discovery in 1987 off the coast of Japan, the Yenaguni Monument has been the subject of controversy between archaeologists and researchers of underwater secrets. Many argue that the natural landscapes in the area have been altered by human hand, as in the case of the Sacsayhuaman complex in Peru.
If these assumptions are true, then man changed the area around 10 millennium BC. Skeptics, on the other hand, believe that the entire structure is natural, and that the drawings and stone carvings are just natural scratches. However, looking at the photo, it is difficult to believe that these structures are just natural formations. Judge for yourself:
Bimini structures
During the 2006 and 2007 expeditions, the landscapes of the deep regions west of the Bimini Islands were mapped using side-scan sonar and seismoacoustic profiling.
A series of rectangular structures were discovered at a depth of about 30 meters. All of these structures were lined up in the same direction in parallel lines. The researchers said the structures closely resemble those found off the coast of Cuba.
Later, the mysterious structures were examined in more detail. About 50 stone pyramids, ranging in size from 3 to 14 meters, were discovered. Judging by the depth at which these structures are located, they must be at least 10 thousand years old.
Discoveries in the Bay of Cambay
In May 2001, the discovery of the ruins of an ancient city in the Bay of Cambay was announced. This discovery was made using sonars. The ancient city was located on a flat area, living quarters were discovered, lined up in even rows, drainage systems, baths, barns and a fortress. The city belonged to the ancient Indian civilization.
Detailed studies of these places followed, artifacts were found. Among them are wood dating from about 7 millennium BC, stones that looked like tools of labor, fossil bones, fragments of dishes and even a tooth.
Denisova N. Yu.