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Yeah. On a much less direct example I went on a field trip to WW1/2 memorials when I was in Secondary school. Whilst its less in your face, things like the Menin Gate are pretty harrowing.
I guess your response to these things will depend on your mindset but its not something I would recommend lightly.
Edit: also I googled the Menin Gate and the first ad is for Army Cadets! What the actual fuck?
@JurekB makes an excellent suggestion. I met a mate at Katowice airport and we hired a car and drove to Auschwitz. I would highly recommend a visit there, seeing TV documentaries doesn't beat the real experience.