Photographs show different viewpoints, dates and conditions. They do not establish current access to a particular route. Every image is credited below.
The Panama Canal is impressive because it is working infrastructure. A vessel's movement through the locks gives meaning to the scale of the structures and the management of water. Interpretation helps connect the visible operation with the wider crossing between oceans.
Check the visitor centre's current opening arrangements and information about ship movements. Allow enough time for an operation to unfold rather than treating the stop as a quick photograph.