Is it anything like the one making the carnival rounds 60 years ago? Frozen in ice, it was supposed to have been revealed decades ago but it suddenly disappeared.
The Minnesota Ice Man from the 1960s.
https://www.facebook.com/abductthis/photos/a.453491665113485/850974978698483/
https://www.facebook.com/255013401192815/photos/a.4718987341462043/4718985294795581/
I remember seeing the Minnesota Iceman at a carnival in Portland, around 1968.