If you love looking at other people’s travel journals, check out Notes from the Road. Erik Gauger has traveled to some amazing places, and filled lots of travel journals with sketches and notes.
Instead of carrying around dozens of heavy guidebooks when I travel, I condense my useful information into a small size Moleskine travel journal.
I use Moleskine journals to organize all my travel ideas, travel plans, make notes, record my conversations, draw travel sketches, make notes on animal plants, and draw people and street scenes.
You can see more of his journals here, but be sure to check out the rest of his travel blog, which is more long-form writing and incredible photography.