While these mysteries have baffled us for centuries and left researchers scratching their heads, with each decade new discoveries are made that get us closer to solving them, and less quick to say they were the work of aliens. From the ten-thousand pound statues that walk to the lamps that burned on their own for hundreds of years, here are ten of the most groundbreaking recent clues for some of the biggest mysteries of our time. \r
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The infamous Easter Island is located off the coast of Chile.\r
Lined with least 900 monumental statues, known formally as moai, were created by the The Rapa Nui inhabitants from the 10th to 16th centuries. With each statues weighing an average of 14 tons, creating and moving the statues around the island must have taken a considerable amount of effort.\r
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In a desert about 200 miles outside of Lima, Peru, the Nazca lines have baffled and intrigued researchers since their discovery in the 1930s. \r
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The Terracotta army is one of the most incredible structures ever discovered and one of the greatest mysteries in China to this day.\r
In Chinas Shaanxi province, at least 8,000 ceramic life-size soldiers and hundreds of horses other figurines remain neatly organized in underground pits.\r
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Egypt is the land of countless mysteries of ancient civilization.\r
The unfinished obelisk is one of the most intriguing mysteries as it remains in Aswan Egypt. \r
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The Longyou Caves are another only recently discovered mystery in China. In Zheijang province, as a villager decided to pump the water out of one of the underground caves in the region in 1992, the first of many immense, man-made underground caves was revealed. \r
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The Stone balls of Costa Rica are a collection of over 300 mysterious spheres made of stone, which were discovered in Southern Costa Rica in the 40s when land was being cleared for banana plantations. \r
The size of the stones varies, the largest being 8 feet in diameter and weighing 16 tons, as well as the degree of the finishing. \r
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The Panxian Dadong, located in Southern China is a large cave that exists over 5,000 feet above sea level. What makes this cave mysterious are the remains that were found within it. \r
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Off the coast of Cuba lies and underwater city that little is known about. At about half-a-mile in depth, some very peculiar statues were discovered spanning over an area covering almost a square mile.\r
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The Mayan civilization is one of the greatest mysteries of our time.\r
At its peak, the Mayan civilization was estimated to have 2 million people, and was seemingly an incredibly advanced and successful civilization.Many are baffled by the question of what happened to it, as well as understanding what they left behind. The Mayan calendar concerned many, even leading some to believe that it marked the end of the world. While we know that the world didnt end in new, it is still mysterious as to why the calendar ended when it did.