A good spot to visit is at the south end of Mount Judah, on the saddle before it goes up to Mount Lincoln. That is the so-called "roller pass." That is where the ill-fated Donner Party finally escaped Donner Lake after the bad winter. They had to use logs as ball-bearings, and they had to pull the wagons up and over the cliffs there.
But, back there in 1846-1847, they brought a whole new meaning to the phrase "take a friend to lunch."