Heh, I was just reading up on this yesterday while doing some recreational research into atomic weapons testing in Nevada. Look on Google Maps here to see a thousand craters [0].
Turns out, they even give tours once a month [1].<p>[0] <a href="https://www.google.com/maps/@37.1496894,-116.0575635,3767m/data=!3m1!1e3" rel="nofollow">https://www.google.com/maps/@37.1496894,-116.0575635,3767m/d...</a><p>[1] <a href="https://www.nnss.gov/pages/PublicAffairsOutreach/NNSStours.html" rel="nofollow">https://www.nnss.gov/pages/PublicAffairsOutreach/NNSStours.h...</a>