An illustrated look at ten of the greatest but least-known mysteries of the world. Why are over one hundred pyramids off limits, not in Egypt, but in China? Why do the dolmens of the Caucasus use phallic seals for doorways? What did a curious farmer find at the bottom of suspicious and massive rectangular ponds? Is Noah's Flood a distant traumatic memory of what occurred in the Black Sea? Learn about the unbelievable accomplishments of lost cultures and these little-known wonders of the past that never made it to mainstream media or to textbooks.