Throckmorton Ave., Mill Valley; 415-351-1400; anthonymeier.com. May 29 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 ...

Hidden in one of the most expensive neighborhoods in Boston, you’ll find what may be the least expensive souvenir in the city ...