I think the bridges of all bowed instruments (violin, viola, cello, bass) have the same shape. Don't know why, maybe there's a story.

And there is the wonderful piece of violin music, the "Devil's Trill Sonata" of Tartini

[link to en.wikipedia.org]

said to be about the hardest music that exists for violin but devilishly great to listen to. Not played much because, I assume, few of our current virtuosi dare.

Josh Bell did a nice version as I recall, even adding some double-stops where the score did not require them. His technical skills are fairly unbelievable.