I want to go here, I don't know what for

Back in 2015 I used Furkot to plan a trip to the dambuster dams in northern Germany. I set this flag as a specific point of interest.

On checking google maps, there seems to be a white object in that exact spot in the wood but there’s no placemarker at all https://goo.gl/maps/7FooArqBafRrRDST6

My google fu is failing me as to what it is. Anyone bored enough to help? It’ll be a ww2 thing most likely.

Isn’t this how all horror movies start???

Could try this for info…im intrigued too, supposedly able to access the German equivalent of land registry but can’t find it

Can be translated to English on safari