Does any one know anything about a strange pond somewhere in North Carolina/ the United States of America?

In the 1960's the rock & roll group, Fleetwood Mac had a popular song called "Hypnotized", I think it was...in it they sang about a strange place in North Carolina where there was a pond in the thick of a forest with no roads leading to it. It seems that the sides of the pond were like gl...and they sang, "And if any mans hands had made that land then I think it would have showed! Has any one heard of such a place or are these "just" lyrics written to sell a song? Genuine responces only, please.