A useful travel notebook preserves the details that photographs alone often miss. The sound of a room, an unexpected view and the reason you stopped somewhere can explain the character of a day. Begin with a few short entries instead of a promise to record everything.
Give each page a place and date, then choose one scene to describe. Keep practical information clearly separated from impressions. If a name, opening time or access detail may change, record where it came from and check it again before a future visit.
Collect questions as well as memories. A building material, a local dish or an unfamiliar craft may invite further reading after the trip. Avoid assigning a story to an object simply because the explanation feels plausible.
When you return home, select a small group of notes that belong together. Add context while the visit remains fresh, but preserve uncertainty where necessary. A better notebook does not contain the most information. It helps you remember what you noticed, why it mattered and what you still want to understand.