Happy Memorial Day Weekend! Here are the events happening in the Greater Boston Area that are free or inexpensive for this extra special long weekend:

Museum of Fine Arts Community Weekend: Saturday, May 25, 2013 to Monday, May 27, 2013. Celebrate “Boston, I Love” this Memorial Day weekend with free admission.

USS Constitution: Saturday, May 26, 2013 to Monday, May 28, 2013. It is Memorial Day Family Weekend at the USS Constitution with demonstrations, activities, and more. Free, suggested donation.

The Greenway Open Market: Starts Saturday, May 26, 2013 from 11-5pm at the Rose Kennedy Greenway. The Greenway Open Market kicks off the season with local arts, crafts, and more.

OneRun

#OneRun: Saturday, May 25, 2013 at 10am in the Back Bay. Cheer on the runners of the last mile and help support local businesses in the Back Bay.

Institute of Contemporary Art: Saturday, May 25, 2013. The ICA in Boston is free the last Saturday of every month, which is this weekend!

Harvard Art Museum: Saturday, May 25, 2013. From 10am-12pm on Saturdays, Massachusetts residents can explore the museum for free with proper Mass ID.

Harvard Museum of Natural History and Peabody Museum of Archaeology and Ethnology: Sunday, May 27, 2013. Mass residents can visit the Harvard Museum of Natural History and the Peabody Museum of Archaeology and Ethnology for free on Sundays from 9am-12pm with proof of residency.

MIT Museum: Sunday, May 26, 2013. The MIT Museum is free every Sunday from 10-12pm to enjoy.

Local Memorial Day Parades: Boston Central has a great round-up of local Memorial Day Parades to find the perfect fit to celebrate Memorial Day.

Also, this is the last weekend Side Car Boston is offering free rides, as this promotion ends on Monday. Have a great weekend!