Archaeologists Find Mysterious Monument in Petra Using Satellite Imagery
![Archaeologists Find Mysterious Monument in Petra Using Satellite Imagery](http://motherboard-images.vice.com/content-images/article/no-id/1465689204823183.jpg)
For over two-thousand years, a massive, mysterious structure has been hiding in plain sight.
For over two-thousand years, a massive, mysterious structure has been hiding in plain sight.