IAN HAMILTON FINLAY: ARCADIAN REVOLUTIONARY AND AVANT-GARDENER More than 200 works are in this ambitious survey of the career of the Scottish artist, poet, and garden designer. Through Oct. 13. DeCordova Sculpture Park and Museum, Lincoln. 781-259-8355, www.decordova.org
OLAFUR ELIASSON A suite of works, including an artificial outdoor waterfall, a spinning mobile, and a row of colored light projectors casting patterned shadows, by the Danish-Icelandic artist. Through Nov. 30. Hall Art Foundation, Reading, Vt. 802-952-1056, www.hallartfoundation.org
PERMISSION TO BE GLOBAL/PRACTICAS GLOBALES: LATIN AMERICAN ART FROM THE ELLA FONTANALS-CISNEROS COLLECTION The first survey of contemporary Latin American art hosted by the MFA. Featuring work by 46 artists from Central and South America and the Caribbean. Through July 13. Museum of Fine Arts. 617-267-9300, www.mfa.org
NATALIE DJURBURG + HANS BERG: A WORLD OF GLASS An installation of 193 polyurethane sculptures, on four tables, and four compelling (not suitable for young children) Claymation video projections by the Swedish artist Djurburg, with accompanying music by the Swedish composer Berg. Through July 6. Institute of Contemporary Art. 617-478-3100, www.icaboston.orgSebastian Smee can be reached at firstname.lastname@example.org.