These are the renowned Nasca lines—subject of mystery for over 80 years. How were they formed? What purpose could they have served? Were aliens involved? The lines are found in a region of Peru ...

This is the home of the Nazca Lines. Across 170 square miles of flat earth, the hard red soil is broken only by a series of ...

But after decades of misunderstanding, modern archaeology may finally have an answer to the puzzle of the Nasca lines.