Not really aerodynamic and not really an oddity, I just wanted to point to the 4-door hardtop station wagon, a body style that last only 3-4 years:
Just A Car Guy: Buick Caballero
I don't know that I've ever seen a Cabellaro. It's distinctly different to the Chevy Nomad/Pontiac Safari 2-doors.
Bonus: an Art Deco wagon:
Just A Car Guy: 1949 American Metalcraft streamlined Autowagon (Thanks Robert!)