It's almost your last chance to catch “Railroaders: Jack Delano’s Homefront Photography” at the Chicago History Museum. This collection brings together more than 60 black and white and color photos that showcase the culture and lives of Chicago railroad workers during World War II. (Chicago History Museum, 1601 N Clark St, 9:30am–4:30pm. Regular admission)
Despite having just four characters, this emotional production of a Pulitzer Prize-winning play packs a punch. Marjorie Prime follows a family dealing with their oldest member in the throes of dementia. The play questions whether an imperfect, artificial but responsive version of an elderly family member would be better than the real thing, but doesn't dive too deep into the sci-fi realm to be unintelligible. (Books on Vernon, 664 Vernon Ave, Glencoe, 7:30pm. $35–$75)
Three-time Tony nominee Marc Kudisch stars with opera performers Nathan Gunn and Mark Delavan in Baritones Unbound, a production that explores the roles of baritone singers over the years. (Royal George Theatre, 1641 N Halsted St, 7:30pm. $60)