Moa birds - the flightless birds, became extinct around the year 1500 most probably due to being hunted by the Maori people. These birds were discovered in the 20th century from New Zealand when scientists found a huge claw preserved incredibly for centuries by mother nature.
More info about Upland Moa: wikipedia.org
The ancient temple complex is known for its perfect stonework done without using any mortar. Believe it or not, the perfectness of that stonework doesn't even allow a thin piece of paper to pass through between the stones! The rounded corners and smooth surfaces has shocked the world that how were they constructed with such perfection thousands years ago.
The Gate of the Sun is situated in Tiwanaku, an ancient and mysterious city in Bolivia. It is said that during the first millennium AD, it was the center of that huge empire.The carvings on this gate could not be deciphered till to date. Who knows what they hold? may be, some astronomical or astrological facts.
It is believed that thousands of people were involved in gouging out these caves by hands using sandstone. Apart from this there is no other explanation on how they were constructed and thus many believe it to be mysterious.
Because of its staggering size, this obelisk made its way to the list of important discoveries. The obelisk was to be carved straight out of a rock face, but it was left unfinished as it began to crack during the construction process.
A diving instructor Kihachiro Aratake discovered this complex by chance. The entire city was submerged around 1000 years ago with the rocks it was made up of.
The ancient ruins of this secret city were discovered in 1922 by an Indian archaeologist R.D Banerji, at an Island of Indus River. The discovery of this city has sparked many questions: how was it destroyed? where did the inhabitants go? and many more.
Around thousands of years ago, Vikings founded this archaeological site in Canada for their settlement. The fact that Scandinavian seafarers reached North America before Christopher Columbus was born, supports the claim of this Viking settlement.
It is now clear that the stone-age community were not only hunters, but also were good architects! The underground labyrinths in Turkey showing their talent in construction.
Some researchers believe that the underground tunnel is stretching from Scotland to Turkey,
but they couldn't provide any credible evidence. The reason of these tunnels were made is still remain a mystery. May be to protect themselves from predators, or may be to travel safe without exposing them to hard weather.
more info: dailymail.co.uk
The unknown origin and purpose, and the mysterious shapes of these stones makes one curious. While clearing a jungle from banana plantation in 1930, people discovered these stones. These stones were believed to be having gold inside, but they came out empty when cracked open.