If ever in the PNW here are two options: Friendly Opportunities.
https://navalunderseamuseum.org/
&
https://omsi.edu/submarine
Decom Nuc Boats are cut up as "razor blades" (aka Recycled) and the Reactors responsibly processed & stored.
688cl Calif tours but you gotta know someone
https://www.csp.navy.mil/css11/Tours/