Maridon Museum, 322 N. McKean St., hosts a spring film series “Presenter's Favorites” featuring the film “Shoplifters” at 6 p.m. Friday. The film is about a dysfunctional band of outsiders united by fierce loyalty and a penchant for petty theft. Admission is free though donations are accepted and reservations are required for the films. Maridon hours are 11 a.m. to 4 p.m. Wednesdays through Saturdays. Museum admission is $4 for adults, $3 for senior citizens and students, and free for children under 8 accompanied by an adult. Guided tours are available with advanced notice for no extra charge. Call 724-282-0123 or visit www.maridon.org.

Butler County Historical Society presents the “Echoes from Our Past Historic Cemetery Walk,” featuring six actors portraying people from the area's past, at 2 p.m. May 18 and 19 at the grounds of the North Side Cemetery, 1002 N. Main St. Tickets are $14 for adults and $10 for students ages 10 to 21. Visit the society office at the Sen. Walter Lowrie House, 123 W. Diamond St., from 11 a.m. to 2 p.m. Tuesdays and Thursdays and 11 a.m. to 4 p.m. Wednesdays. The office will also be open from 11 a.m. to 2 p.m. May 10 and 17. Call 724-283-8116 or visit www.butlerhistory.com.

Meadowcroft Rockshelter and Historic Village, Avella, Washington County, will open Saturday for the season. Throughout May, Meadowcroft is open from noon to 5 p.m. Saturdays and from 1 to 5 p.m. Sundays. From Memorial Day through Labor Day, Meadowcroft will be open from noon to 5 p.m. Wednesdays through Saturdays and from 1 to 5 p.m. Sundays. Admission is $15 for adults, $14 for senior citizens, and $7 for students and children ages 6 to 17.