1913 Alfa Aerodinamica, body by Carrozzeria Castagna, might have influenced the designs to follow, like the Dymaxion

Above image via MegaMoto http://megamoto.tumblr.com/
Do you also see the similarities to the below 1921 Rumpler, in the fenders especially Do you also see the similarities to the Dymaxion http://justacarguy.blogspot.com/2007/07/funky-car-that-is-from-one-of-earliest.html

Here is a quick sample of what you'll see in the pits at Speedfest

The above is rare, it's a air cooled opposed piston engine like the VW... DB is the symbol on the nose of the car... stands for Duetsch something... I can't recall, but it was a French company and it was made for rally racing.

Above is a Railton

Lagonda

Big corrals of race cars!

Italy's National Automobile Museum in Turin (or Torino I'm not sure, I can't read Italian)

the wood buck for an Alfa Romeo Guiletta Sprint

Fiat Turbina

the winner of the Paris to Peking race

If you are ever near Torino, it looks like a must see to me! http://www.museoauto.it/home/

Images from http://www.flickr.com/photos/tomislavmedak/

a few cool photos from Coolamundo! tumbler

Above photo by Simon Wright

Above is an Alfa 1938 8C 2900b Le Mans

above: BMW 328 Mille Miglia Büegelfalte

mcdonnell douglas xf 85 goblin

via: http://sharonov.tumblr.com/

the beauty of designs, part 2 of "online Concours de Elegance" I started last July, here are the Pre WW2 vehicles

1903 Ford model a runabout

1904 Auburn runabout

1909 highwheeler

1910 Hotchkiss Type V

1910 Baker Electric Victoria Roadster

1911 Leon-Bollee G1 Double Berline de Voyage

1921 Farman Super Sport Torpedo

1923 Kissel Model 6-45 Speedster

1925 Rolls-Royce P1 Jonckheere Aerodynamic Coupe, http://justacarguy.blogspot.com/2009/01/1925-rolls-royce-aerodynamic-coupe.html

1927 Voisin C7 sedan

1929 Ruxton Roadster http://justacarguy.blogspot.com/2008/05/ruxton-legendary-in-classic-american.html

1929 Alfa Romeo 6c1750 supersport

1929 Du Pont Model G Speedster

1931 Bucciali Tav-8-32 Sedan by Saotchik

1931 Packard Waterhouse Convertible Victoria

1932 Daimler Double-Six Sport Saloon

1933 Mitsubishi PX33 4WD Diesel

1934 Hupmobile Aerodynamic

1936 Panhard Dynamic

1937 Chrysler Airflow

1937 Willys sedan

1938 Alfa Romeo 8C 2900B Berlinetta coachwork by Touring

1942 Paris Rhone BabyRhone II

For more see: http://justacarguy.blogspot.com/2008/07/online-concours-de-elegance-is-best.html