The
Petersen Auto Museum has some cool Porsches in its permanent collection, and also is currently running a car-as-art show.
Believe it or not, Ferdinand Porsche's handiwork played a role in this:
Symbolic Motors at Wilshire and La Cienega always has some cars to drool over.
And Denis (Speeder) and Tyson Schmidt recently visited Heritage Motors in West Hollywood, which apparentlyhas some stuff worth looking at (to say the least).