Respuesta :
I think this would be a personal question if its for your schoolwork.
But if its just in general, I would personally like to find something historical about my family that I didn't know before. It would be really cool if it was very important in history.
Answer:
If I could find one thing besides money in my family's attic I would want to discover a diary because it will tell you about what that person had done in the past which would be interesting and cool to know :)