Free Museum Admission

Blackstone Historical Museum, 23 Main St., Blackstone. First & Third Saturdays from 10 a.m. - 4 p.m. and Thursdays, 12 - 4 p.m. Visit the mill room, war room, school room, farm life exhibits and much more. Free. E-mail: orcasymphony@comcast.net

Free Wednesday Nights at the MFA. Museum of Fine Arts, Boston. Wednesdays. 4 - 9:45 p.m. www.mfa.org .

Target $1 Friday Nights. Boston

Children's Museum. 5 - 9 p.m. 617-426-8855. www.bostonchildrensmuseum.org.

Free Thursday Night at ICA. Institute of Contemporary Art, Boston. Thursdays from 5 - 9 p.m. and on the last Saturday monthly. www.icaboston.org .

Free Wednesday Evenings. Fuller Craft Museum, Brockton. 5 - 9 p.m. Visit the Museum of Contemporary Craft. 508-588-6000 or www.fullercraft.org .

Harvard University's Museum of Natural History. Cambridge. Free admission to MA residents on Wednesdays from 3 to 5 p.m. (Sept. - May) and Sunday mornings (year-round) from 9 a.m. to noon. www.hmnh.harvard.edu.

The MIT Museum. 265 Massachusetts Ave., Cambridge. Sundays, 10 a.m. - noon. Free admission. http://web.mit.edu/museum/

Drop Into Art First Sunday of the Month. Danforth Museum of Art, 123 Union Ave., Framingham. 2 - 4 p.m. Free art activities for children; Free teen docent led family tours. 508-620-0937

Free Sunday. Providence Children's Museum, Providence, RI. 9 a.m. - 6 p.m. Open free for the first Sunday monthly. 401-273-KIDS or www.childrenmuseum.org .

Free Admission Worcester Art Museum, Salisbury St., Worcester. Saturdays, 10 a.m. - noon. 508-799-440. www.worcesterart.org.