https://en.wikipedia.org/wiki/Georgia_Guidestones

It's an unsubstantiated local rumor:

https://rondougherty.com/photoalbum/2010/20101118EasternTrip...

https://people.howstuffworks.com/georgia-guidestones-monumen...

https://www.reddit.com/r/Georgia/comments/133x11v/the_fate_o...