Ancient and megalithic structures continue to baffle scientists and engineers. Rather than providing answers, these sites leave us with more questions. So, how did such a primitive cultures build these incredible structures? Some claim to know the secret of lifting massive stones, but how did they move them hundreds of miles? How were limestone blocks carved with copper tools? Besides the impossible, some sites even appear to have walls “melted” together. Stones so close together not even a piece of paper could slip through. Intricate carvings with little to no signs of tools, yet with laser precision. In this section we will explore all ancient and megalithic structures, on land and under the sea!