ALEX DA CORTE: FREE ROSES A brilliant exhibition of installations, paintings, and best of all, videos in bright colors and surreal, Pop-influenced imagery (pictured), by the talented young artist. Through January. Massachusetts Museum of Contemporary Art, North Adams. 413-662-2111, www.massmoca.org

GEOFFREY FARMER In a mesmerizing display, Farmer, who has been selected to represent Canada at the 2017 Venice Biennale, presents a room-sized 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 from a clippings library, 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 (Mumbai, Beijing, Shanghai, Delhi, Seoul). 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

N.C. WYETH’S MEN OF CONCORD. The 12 panels N.C. Wyeth painted for the book “Men of Concord and Some Others, as Portrayed in the Journal of Henry David Thoreau’’ (1936) have been reunited for the first time in almost 80 years. They will be accompanied by drawings, sketches, and studies. Through Sept. 18. Concord Museum, Concord. 978-369-9763, www.concordmuseum.orgSEBASTIAN SMEE

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