While you wait for answers, you might want to read some previous threads from the FAQ section entitled "What Did the Romans Think...of other cultures?":

• How did the Romans view ancient Egypt? - 9 comments, over 1 year old.
• This thread addresses the Roman perspective and interaction with artifacts and monuments far predating themselves.
• What, if anything, did the Romans make of the megalithic sites they came across during their conquests? - 6 comments, over 9 months old.
• A few examples of some Romans' takes on prehistoric stone structures.
• What did the Romans think of Stonehenge? - 1 comments, over 1 year old.
• One comment, but it gets straight to the point about what evidence we have about the Romans' views on this famous structure.

You might also want to check out a thread from the "Historical views about fossils and dinosaurs" section of the FAQ:

• Did scholars of the ancient world ever find and examine fossils? If so, what was their understanding of them? - 36 comments, over 2 years old.
• Romans Greeks, and Aztecs feature in this thread.