5 things to do in DeKalb County: ‘Rocky Horror Picture Show,’ Tricks and Treats at the Mansion & more

“Rocky Horror Picture Show” (DeKalb): The Egyptian Theatre presents the cult-classic film “Rocky Horror Picture Show” with a live shadow cast at 8 p.m. Friday, Oct. 30. General admission tickets start at $26. Visit egyptiantheatre.org for more information. Tricks and Treats at the Mansion (DeKalb): The Ellwood House Museum will host Tricks and Treats at the Mansion from 4-6 p.m. Friday, Oct. 30. This family-friendly Halloween celebration features trick-or-treating at the historic structures. No tickets are required, and costumes are encouraged. Visit ellwoodhouse.org for more information.In-Depth Tours (DeKalb): The Ellwood House Museum offers in-depth tours on the fourth Saturday of each month. The next tour is at 10 a.m. Saturday, Oct. 31. The two-hour tours include both the 1900 Ellcourt House and the 1879 Ellwood Mansion. Visit ellwoodhouse.org for more information. Kishwaukee Symphony Orchestra (DeKalb): Enjoy free Halloween concerts at 5:30 and 7:30 p.m. Friday, Oct. 30 at Boutel