World history is ancient but still leaves many big question marks for mankind, one of which is about the mysterious historical relics in the world. Like what? Some of them are already widely known to the public. However, many more are still shrouded in mystery. These mysterious historical relics exist, stand, be visited, but there are still many that become puzzles.

Archaeologists and historians and other experts can only guess and guess without being able to know the real answer. So confusing the mysterious historical relics produce theories without ending to the facts and true secrets. Fortunately, anyone who is interested can still visit and see first hand the mysterious historical relics.

Here are 5 of the most mysterious historical relics in the entire world:

1. Georgia Guidestones, USA

The first mysterious historical legacy is located on a small hill in the barren region of Hartwell, Georgia, United States. Georgia Guidestones, as this historical object is called, is a five-meter high stone structure and weighs around 20 tons. This object is considered a monument of doomsday because the stones are written instructions in the eight largest languages ​​in the world.

The four pillars of the monument stand in the form of pluses (+), and on the center wall are written commands written in four extinct languages. The four languages ​​are Sanskrit, Ancient Greek, Babylonian Cuneiform, and ancient Egyptian (Hieroglyph).

2. Yonaguni Ruins, Japan

Japan also has a mysterious historical legacy that has baffled the world, the Yonaguni Monument Underwater Ruins. The Yonaguni ruins are at the bottom of a very deep sea level and are estimated to be around 8,000 years old.

Some people think these ruins are the result of natural phenomena, but in fact, some of the details of the ruins show it as man-made. Until now, not much data and information can be known about this mysterious Yonaguni ruins.

3. Statue of Moai, Easter Island

On Easter Island or Rapa Nui or Isla de Pascua, there is another mysterious historical heritage that is very confusing, namely a series of Moai statues. Some people mentioned that the Moai statue was built by the Rapanui people and was considered by the local community as an incarnation of the ancestors.

One theory states that the Moai statues were made between 1250 AD and 1500 AD. Most puzzling is the size of each statue, which reaches 86 tons and makes many people wonder how the statue was made.

4. Stonehenge, England

Stonehenge seems to be the most famous mysterious historical relic of all, but also the most mysterious. Stonehenge Monument is a row of ancient giant stones and weighing thousands of tons arranged in such a unique formation.

Experts estimate Stonehenge was built around the year 2500 BC and then underwent continuous renovation for 1400 years. Many theories and speculations that have developed behind the existence of Stonehenge; unfortunately, no one really knows the facts, stories, and the purpose of its development.

5. Machu Picchu, Peru

This last mysterious historical legacy is not only historically unique but also very interesting when viewed from various sides. Machu Picchu is a modern metropolitan area that is a relic of the Inca civilization hidden in the peaks of the Andes, Peru.

That said, Machu Picchu was a place of escape for the Incas from the Kingdom of Spain, and for centuries the city was isolated from world civilization. Several studies produce theories which state that the city of Machu Picchu was built around 1450 AD and is a city of the Inca Pachacuti.