Strange satellite images fuel new investigations into greatest mysteries of the ancient world. Mysterious markings in the Peruvian desert. A secret structure buried near the ancient city of Petra. An abandoned fortress in an arid wasteland.
By entering your email address, you agree to our Terms of Use and acknowledge the Privacy Policy. discovery and its affiliates may use your email address to provide updates, ads, and offers.
To withdraw your consent or learn more about your rights, see the Privacy Policy.