The unusual monuments grace the earth for thousands of years, and have an important historical, cultural and spiritual value.
1. Stonehenge, England
This monument was built between 3000 and 2000 BC, and even today scientists can’t agree on the manner in which the large stone blocks were erected.
It is also not known who built the similar monuments in Britain that were built for religious purposes.
2. Sigiriya, Sri Lanka
Sigiriya is solid rock, known as lion rock, where are the remains of the former palace of King Kasyapa, which was later converted into a Buddhist monument. It is 200 meters high, and the question is how was this city built so many years ago.
3. The pyramids in Egypt
The Pyramids at Giza are the most famous and most magnificent monuments from the time of ancient Egypt. Placed in the desert near Cairo, they have great popularity among tourists.
Scientists still are not sure how somebody erected these great monuments that attract thousands of tourists from around the world.
4. Great Wall, China
This sequence of defensive walls with towers, are considered as the largest structures in the world and one of the most popular tourist attractions. The first walls were built in the 7th century BC.
With their upgrading, legends began to spread about the mysterious disappearances of builders whose bodies were allegedly built into the wall.