“Hamlet”: Watch Eddie Izzard portray 23 characters in Shakespeare’s classic. April 19 to May 4 in Chicago Shakespeare’s Courtyard Theater on Navy Pier; tickets $119-$150 at www.chicagoshakes.com
Holi in the Park: Celebrate the festival of colors with colored powders, dancing and chai. Noon to 4 p.m. April 20 in Heritage Green Park, 610 W. Adams St.; tickets $20-$25 at www.eventbrite.com
Ancient Earth Day: Learn about sustainability in the ancient world, participate in family-friendly crafts and activities and take home a plant. 1 p.m. to 4 p.m. April 20 at the Institute for the Study of Ancient Cultures, 1155 E. 58th St.; free; more information at events.uchicago.edu
Los Acosta: Grammy-nominated group Los Acosta marks 45 years as a band following the death of songwriter Adán López Dávila last summer at age 61. 8 p.m. April 20 at Rosemont Theatre, 5400 N. River Road, Rosemont; tickets $99-$230 at rosemont.com
“How I Learned What I Learned”: Harry Lennix, known for playing Harold Cooper on “The Blacklist,” stars in the Congo Square Theatre’s production of August Wilson’s autobiographical one-man show. April 20 to May 5 at the Broadway Playhouse at Water Tower Place, 175 E. Chestnut Place; tickets $21.50-$71.50 at congosquaretheatre.org
Improvised Jane Austen: Improv with a 19th century cadence? Janeites, take note. 8 p.m. Saturdays at iO Theater, 1501 Kingsbury St.; tickets $22.80 at improvisedjaneausten.com
“Limelight”: If you only know Charlie Chaplin as the Little Tramp, head to the Music Box for the latest installment in a film series exploring his other works. “Limelight” is a moving portrait of a fading vaudeville star, featuring Chaplin and a Buster Keaton cameo. 11:30 a.m. April 20-21 at the Music Box Theatre, 3733 Southport Ave.; tickets $10 at musicboxtheatre.org
Brookfield Zoo Chicago Earth Day Run: Run 2.2 miles through the zoo’s winding paths. Earn a commemorative medal and a pack of seeds. 8 a.m. to 10 a.m. April 21 at Brookfield Zoo Chicago, 8400 31st St., Brookfield; registration is $35 at brookfieldzoo.org
“Maren Hassinger: This Is How We Grow”: Last chance to see Hassinger’s rope and steel installations in the Art Institute’s Bluhm Family Terrace, designed to reflect “our tenuous relationship to nature.” Through April 21 at Art Institute of Chicago, 111 S. Michigan Ave.; museum admission is $32 at www.artic.edu
Giant Rooks with Friedberg: The German indie rock band headlines, but the all-female, alt-rock group Friedberg is the reason to go. 8 p.m. April 21 at Thalia Hall, 1807 S. Allport St.; tickets $25-$35 (ages 17+) at thaliahallchicago.com