A German Submarine at the Bottom of Labrador's Churchill River?

An important piece of history from the Second World War may be sitting in a river in Labrador.
 
Searchers believe they've found a German U-boat buried in the sand on the bottom of the Churchill River. The discovery has yet to be authenticated.

Two years ago, searchers scoured the bottom of the Churchill River with side-scanning sonar. They were looking for three men lost over Muskrat Falls.

When they reviewed the footage from that search, they made an unexpected discovery.