When I was stationed in Germany (77-81), I visited Dachau and Flossenburg twice each. What I remember about Dachau was the sense of evil that permeated every square foot of that place.
Th3 demonic evil that drove tHe guards there probably still lingers in the place somehow. I don’t beleive in ghosts and haunted places, but I do beleive that people are so etimes demonically possessed, and that perhaps demons stick around places of evil long after the possessed people are gone. Perhaps in hopes of posses8ng new recruits, and to deceive others.