In many scenes, you cannot determine if the lens capturing them exhibited distortion. But, if there are lines near the edge of the frame, distortion becomes readily apparent. Distortion is correctable, but distortion correction is destructive to image quality.
You can find The Old Salt's Pantry in Kennebunkport, Me.
Camera and Lens Settings
35mm f/8.0 1/50s
5184 x 3456px