Throckmorton Ave., Mill Valley; 415-351-1400; anthonymeier.com. Through Aug. 8: "Consider the Oyster," works by female artists inspired by the author M.F.K. Fisher. 10 a.m. to 5 p.m. Tuesdays through ...

Concept cars can cover everything from the weird and wacky to future favorites. Here are some of the wildest concept cars we've come across.