Firefox does a great job of keeping track of your open windows in the event of a crash EXCEPT when it has to install updates on relaunch, in which case it just obliterates everything to tell you "Grats! You updated!"
So, here's some links I regularly visit and hopefully some I am able to pull from the history:
From the history:
Bridges Over Troubled Water (there is an actual webpage with this, but I lost it)
And this is just funny: