Throughout the Incan city are 16 fountains, which residents once obtained water from. It was not spring water - it was brought to the city via a unique system of engineering.
Beneath the waves around Zanzibar there are thousands of square and rectangular blocks arranged parallel to each other, with squares and the ruins of massive buildings evident.
The bizarre rock drawings, depicting geometric shapes and never-before-seen creatures were spotted in a secluded area, overgrown with vegetation.
In the 40s of the 20th century in the desert around Shahdad, Kerman Province in Iran, archaeologists came upon a mysterious village. The settlement, which bears the name Makhunik, was once home to an ancient civilization of dwarves.
Based on prophecies left to us by the Toltecs, with the coming of the 6th sun will also come the moment when people will realize who they really are. According to these, humans are gods who are dreaming that they are not gods.
The shock was utter and complete when carbon dating of the ruins showed that these cities had sunken beneath the waves thousands of years ago, when according to archaeologists cities had not yet existed.
A few years ago, former British journalist and current writer, Graham Hancock, laid out his hypothesis that there existed a highly advanced civilization in the Arctic more than 13 000 years ago.
The story of the Tower of Babel is told in the 1st book of the Bible - the Book of Genesis. According to it, after the Great Flood decimated the world, the survivors of humanity all spoke one language and had one common culture.
Legends about lost civilizations like Atlantis and El Dorado have always piqued human curiosity with their mysteriousness. Along the coasts of Micronesia, there lies another strange island called Nan Madol.
The first city, known as Tamchen, contains plazas, palace-like structures and a 49 ft (15 m) pyramid. The second city is called Lagunita. American researcher Eric Von Euw was the first to document this site 40 years ago.