17 out-of-place artifacts said to suggest high-tech prehistoric civilizations existed

Mounting evidence suggest that prehistoric civilizations possessed advanced technological knowledge that was lost throughout the ages

According to the conventional view of history, humans have only walked the Earth in our present form for some 200,000 years. Advanced civilizations appeared several thousand years ago, but much of the mechanical ingenuity we know in modern times began to develop only around the Industrial Revolution a couple hundred years ago.

Oopart (out-of-place artifact) is a term applied to dozens of prehistoric objects found in various places around the world that seem to show a level of technological advancement incongruous with the times in which they were made.

Many scientists attempt to explain them using natural phenomena. Others say such explanations ignore the mounting evidence that prehistoric civilizations possessed advanced technological knowledge that was lost throughout the ages only to be redeveloped in modern times.

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We will look at a variety of ooparts here ranging in purported origin from millions of years ago to merely hundreds of years ago, but all said to show advancement well ahead of their time.

We do not claim that all or any of the ooparts are definitive evidence of advanced prehistoric civilizations, but rather attempt to provide a brief glimpse at what’s known or hypothesized about these artifacts. This is not a comprehensive list of all ooparts, but it is a substantial sampling.

Read more: ancient-origins

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