Throckmorton Ave., Mill Valley; 415-351-1400; anthonymeier.com. Through May 2: Works by San Francisco artist Jesse Schlesinger and Brazilian artist Manfredo de Souzanetto. 10 a.m. to 5 p.m. Tuesdays ...

The City of Lexington says that a sub-contractor hit a gas line Wednesday night around 7:45 that caused an explosion.