ICA, the Institute of Contemporary Art in Boston (MA, USA), presents a solo exhibition of the twins Os Gemeos, well-known Brazilian Street artist, and two murals in the city (Dewey square and Revere Hotel Boston Common) until November 25.
Plus, at the entrance of ICA you can see the site-specific installation "Anthropocene Extinction" by another street artist, SWOON, until December 30.
More info:
http://www.icaboston.org/