Some of the more interesting terminal shapes I’ve seen are older airports that have had expansion limited by urban growth around them, forcing them to try to fit a lot into a small space. Burbank certainly fits that description, shoving a reasonably busy airport into a tiny corner of an airfield.
Satellite imagery from Google Earth
Paul Bogard created these terminal silhouette illustrations, and has made them available for use under a CC BY-SA 4.0 License.