Then there were the Japanese Zen Buddhists who discovered Arizona in the 1300s.
What I like about this story is that authenticates a very serious REDISCOVERY, and one involving hundreds of years between the first and second events.
Blam might be interested ~ I have a SECOND picture of a second Bird Stone in Brown County, Indiana. The other Bird Stones were found in Mongolia in the 1930s and have been dated to thousands of years ago.
Can you post pictures?
The likehood is that since the ice age people from both Europe and Asia have reached America.