Free tastings in theSouth Boston Waterfront brewery weekdays are at 4 p.m.; there is an additional tasting at 2 p.m. on Wednesdays, Thursdays, and Fridays. En savoir plus .
The empty expanse is livened up by free concerts sponsored by the city on summer Wednesday evenings. En savoir plus .
Shakespeare on the Common performances here are always fun. In 2012, "Coriolanus" will be performed from July 25 - August 12,Tuesdays-Saturdays 8pm & Sundays 7pm. En savoir plus .
It costs money to join, but this private library offers free tours of its treasures on Tuesdays and Thursdays at 3 p.m. Reservations required. Meet at the circulation desk. 617-227-0270, ext. 279 En savoir plus .
Enjoy strolling Olmsted's parks any day of the week. Or try one of the free walking tours, Sundays, 1 to 2:30 p.m., through October. En savoir plus .
With more than 450,000 works, the MFA can keep you busy for a lifetime of Wednesdays, when it's free from 4 to 9:45 p.m. En savoir plus .