6 famous landscapes covered by mystery

These landscapes contain many ancient mysteries without satisfactory answers.

1. Hang dragon, Arkansas, USA

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In the early 20th century, an expedition team discovered a cave in Boone County, Arkansas, USA. When they dropped to the bottom of the cave, a rope to find a way into the discovery, they all heard a terrible roar coming up, as if a monster was awakened. Too scared, the adventurers did not dare to explore the bottom of the cave.

So far, a few preliminary surveys have been conducted, but no one has really figured out the depths of this cave and no one is sure whether there are dragons or any beasts hidden. I am in there or not.

2. Whirlpools on the ocean floor

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These fancy swirls are found on the ocean floor, in the waters of Florida and North Carolina. It is known that they are quite similar to the swirls found in . Saudi Arabia. Scientists believe that they are the ancient burial mounds, dating from 8,000 BC. However, they cannot explain how the ancient people built them or how they built them under the water.

3. Baltic Sea

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Under the depths of the deep Baltic Sea, the researchers found many disk-shaped rocks, arranged close to each other and in the same direction. They are also engraved with numerous unknown sources of instructions that no one has explained to date.

4. Hatley Castle, Canada

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The castle is located on Vancouver Island, not far from the west coast of Canada. It was built by a Scottish earl, Robert Dunsmuir, and later became part of Royal Roads University.

A lot of people, including students and visitors, claim to have seen white shadows appear around the window, observing everyone's activities but not finding out who it is. Therefore, rumors of the castle were haunted everywhere, making weak people stay away but attracted a lot of violent and curious visitors.

5. Stonehenge under Lake Michigan, USA

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Under the water of Lake Michigan, people have found the stone structure quite similar to the form of ancient stone wonder Stonehenge in England. One of the rocks under the lake is also carved with animals, according to the study, which is one of the extinct species 10,000 years ago. The reason and method of building this ancient stone building in such depth has never been answered.

6. Bimini Beach, Bahamas

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In 2006 and 2007, a group of researchers found a very special rock in the western region of Bimini, Bahamas. These rocks are less than 30 meters deep, shaped quite square and deliberately parallel. Scientific research indicates that these are probably ancient stone pillars dating back to 10,000 BC.