I'm concerned that they might not find ruins or if they do, they will hide it from us. The US government has a history of not sharing evidence of other civilizations:
EDIT: I have split off a tangential conversation into it's own thread: Gradual Disclosure (Ra 24.19)
24.19 Wrote:Questioner: …It’s not too important, but I would really be interested to know if Dwight Eisenhower met with either the Confederation or the Orion group during the 1950s or that time?
Ra: I am Ra. The one of which you speak met with thought-forms which are indistinguishable from third density. This was a test. We, the Confederation, wished to see what would occur if this extremely positively oriented and simple congenial person with no significant distortions towards power happened across peaceful information and the possibilities which might append therefrom. We discovered that this entity did not feel that those under his care could deal with the concepts of other beings and other philosophies. Thus an agreement reached then allowed him to go his way, ourselves to do likewise; and a very quiet campaign, as we have heard you call it, be continued alerting your peoples to our presence gradually. Events have overtaken this plan.
EDIT: I have split off a tangential conversation into it's own thread: Gradual Disclosure (Ra 24.19)