6. THE MOA CLAW
The claw of a huge ancient bird Moa, found on Mount Owen in New Zealand. Nothing is known about this bird except that it was much larger than an average man.
7. THE ANTIKYTHERA MECHANISM
This strange ancient Greek mechanism is made of the highest precision parts.
Scientists suggest that the device was used by ancient astronomers to determine the time of lunar and solar eclipses.
8. The Voynich manuscript
The Voynich manuscript is one of the most mysterious books, which contains inexplicable images of animals and plants. The text of the book is a cipher, over which cryptographers have struggled unsuccessfully for many years.
The fortress, built of huge megalithic stones, weighing tens of tons. Interestingly, cement or other binders were not used within this construction. The stones are so densely fitted that it is impossible to push a piece of paper into the slot. How is this made?
10. Rongorongo wooden tablets
Rongorongo is a series of wooden tablets found in Easter Island in 1864. Each plate is covered with strange pictograms and hieroglyphs. Despite the fact that a lot of cryptographers worked on the decryption, today the meaning of the encrypted messages has not been disclosed. 25 Rongorongo tablets are stored in museums around the world.