Mysteries From Ancient Times That Still Defy Explanation

Nasca Lines

Found in the dry desert plains of southern Peru, there are many giant images and symbols carved into the hard-packed earth. Called geoglyphs, these were probably made by the Nasca Culture between 500 BCE and 500 CE. There are some designs that look like they could be runways for planes, while others are birds, fish, or even humans. Why were these symbols clearly made to be seen from someone high above long before air travel was even a possibility?