GEOFFREY FARMER In a mesmerizing display, Farmer, who was selected to represent Canada at the 2017 Venice Biennale, presents a room-size installation of hundreds of his small-scale, puppet-like sculptures made of photographic cut-outs, fabric, and various supports, as well as a projection of random photographs, and an installation of cut-out photographs of sculpture. Through July 17. Institute of Contemporary Art. 617-478-3100, www.icaboston.org

MEGACITIES ASIA Sculptures, installations, and other large-scale work grounded in an aesthetic of accumulation, by artists based in Asian cities of 10 million people or more. Includes installations and sculptures by Ai Weiwei, Song Dong, Hema Upadhyay, Subodh Gupta, Asim Waqif, Yin Xiuzhen, Hu Xiangcheng, the collective flyingCity, and Aaditi Joshi. Through July 17. Museum of Fine Arts. 617-267-9300, www.mfa.org

OVERGROWTH A look at the phenomenon of growth — both in nature and in the process of creating art — in works from the deCordova’s permanent collection, by such artists as Jean Arp, Gary Webb, Jebediah Caesar, Edward Steichen, and Rachel Perry Welty. Through Sept. 5. DeCordova Sculpture Park and Museum, Lincoln. 781-259-8355, www.decordova.org

ROSALYN DREXLER: WHO DOES SHE THINK SHE IS? A retrospective of paintings, collages, sculptures, and writings by the pioneering pop and political artist, who was also a playwright and novelist. Through June 5. Rose Art Museum, Waltham. 781-736-3434, www.brandeis.edu/rose SEBASTIAN SMEE

Sebastian Smee can be reached at ssmee@globe.com.