I love the visual journals some people keep in Moleskine diaries. This is a fantastic example, found at Doodlers Anonymous:
Loops! is a mommy living in Brussels and she fills her sketchbooks like a diary in living color. You’ll see drawn pages of her family’s travels, her kid’s being sick and the generally overwhelming and loving life of being a parent.
See more at Blog: Have We Met? – Doodlers Anonymous.