World history is full of mysteries. None of us will live long enough to see them all resolved. But it is always interesting to take a look really strange things that still lie beneath the surface.

Moa birds

Moa were flightless birds that lived in New Zealand and eventually disappeared around 1500. They were killed, according to a theory of Māori tribes. During an expedition in the 20th century, scientists tracked down a very large claws that belonged to one of Moa birds and was stored so incredible for centuries.

Temple Saksaywaman, Peru

Perfect stone work in this house is really amazing. Pumundur pass is even a very thin piece of paper between the stones, through which the temple was built. In addition, every stone has a smooth surface and rounded corners. How it is built? Nobody knows.

"Sun Gate", Bolivia

'Sun Gate' found in Tiwanaku, an ancient and mysterious city in Bolivia. Some archaeologists believe that she was the center of a very large empire during the first millennium BC. Nobody knows what the meaning of the engravings on the gate. Maybe they have any astronomical or astrological sense.

Longyou Caves, China

These caves were built by human hands. A very difficult job must be having the force of thousands of people. However, there is still no indication when these caves date or method used for their construction. However, they constitute a historical record.

Unfinished Obelisk, Egypt

This obelisk began to breed from the surface of a rock, but never finished. I was left in this state, unfinished. Its dimensions are extraordinary.

City underwater Yonaguni, Japan

This ancient city was discovered by chance by a diver Kihachiro Aratake. Underwater city has intricately all scientific theories. The rocks in which it is built are immersed in water 10 thousand years ago, long before the rise of Egypt's pyramids. According arkeologjive, in this primitive period, people were still living in caves and root feeding and hunting animals; impossible to be able to build stone cities.

Mohenjo-daro (Mound of the Dead), Pakistan

The secret of the fall of the city questioned the experts for decades. In 1922, Indian archaeologist, R. D. Banerji discovered ancient ruins on one of the islands of the river Indus. The question was: how to destroy this great city? What happened to its inhabitants? Numerous excavations have failed to provide any response.

L'Anse aux Meadows', Canada

This archaeological site in Canada was established once by the Vikings, about 1 thousand years ago. The fact that it exists shows that Scandinavian sailors reached North America long before the birth of Christopher Columbus.

Tunnels of Time Stone

The discovery of a vast network of underground tunnels, which stretch across Europe from Scotland to Turkey, shows that Stone Age communities were not just hunters. But the real purpose of building these tunnels is still a mystery. Some scholars believe that they were used as protection against predators, while others believe they were a great way to travel safely, protected from unsuitable weather conditions or various conflicts.

Giant stone spheres in Costa Rica

These mysterious stone formations are intriguing not only for the perfect spherical shape, but also in terms of their origin or purpose is still unknown. They were discovered in 1930 by workers clearing the jungle to plant a banana plantation. According to local legend, the gold bearing areas mysterious hidden within them, but in fact it turned out that they were empty.