Paper

They were just pieces of paper, buried under a field in Germany. What harm can bits of paper do? Nothing. It's what's typed upon them. Good job the location is secret.
The mayor of a local town looks for them. He digs up the fields. And gets death threats. Such is Himmler's legacy on these docs. Also hidden is alleged Jewish silver. Not gold?

UK investigative journo did a report; his result was nothing physical. But the letter to the mayor, hidden room in the castle and rumours were there. The new ground penetrating radar scanner was meant to be great. No go, **** rain.

Go back in the summer, find the docs and silver. Change world history. And run for your life. **** guardians safeguarding this secret will hunt you down. This generation's evil soldiers.

WW2 reaching out to touch us. Detailing more than the Final Solution.