How to keep a travel diary Here are some great ways to make your travel diary the perfect thing for your trip. Choosing your travel diary is a personal thing.It can be anything from a simple notebook to a spiral bound journal.Pick something that will be easy to carry around with you.It should have a proper size to handle your entire trip and not be harmful to the environment. Start your travel diary right away.Use it to write down your impressions,descriptions and funny stories.Was the cab ride to the airport particularly exciting?Did you almost miss your plane?Write down what you packed in your suitcase and who traveled with you.