This is apparently news from 2015 but it's the first I've heard of it. A panther tank was found in a German man's basement along with over 70 small arms and plenty of Nazi memorabilia. It's sounds like quite the historical treasure trove. I'd give quite a bit to be able to sift through that.
https://www.google.com/amp/s/www.businessinsider.com/germany-world-war-ii-tank-pensioners-basement-leads-legal-spat-2021-7%3famp
https://www.google.com/amp/s/www.businessinsider.com/germany-world-war-ii-tank-pensioners-basement-leads-legal-spat-2021-7%3famp