The Learnapalooza learning festival is back for its second year, with free workshops taking place at Wicker Park and Bucktown locations on Sat 6/25 from 10 AM to 5 PM. A limited schedule of classes will also continue on Sun 6/26. To attend any of this year’s workshops, which cover everything from Bollywood dancing to worm composting, sign up online before Fri 6/24 at 5 PM. Walk-ins are accepted if classes have available slots. Hosting locations include 826CHI (1331 N. Milwaukee), Gorilla Tango Theatre (1919 N. Milwaukee), and Quimby’s (1854 W. North).