The various embodiments described herein include methods, devices, and systems for displaying event indicators on an event timeline. In one aspect, a method includes: displaying a video monitoring user interface including: video information corresponding to a video stream of remote camera's field of view in a first region, and the event timeline in a second region; obtaining identification of a new zone of interest corresponding to a portion of the camera's field of view; sending information indicative of the new zone of interest to a server system; obtaining identification of one or more past motion events detected by the remote camera involving the new zone of interest; and updating display of the event timeline to display an event indicator having a visual characteristic corresponding to the new zone of interest for each of the one or more past motion events.