Maridon Museum, 322 N. McKean St., is open from 11 a.m. to 4 p.m. Wednesdays through Saturdays, except holidays. Museum admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8 accompanied by an adult. Guided tours are available with advance notice for no extra charge. Call 724-282-0123 or visit www.maridon.org.

Butler County Historical Society will have an outside cleanup day at Cooper Cabin Pioneer Homestead from 9 a.m. to 1 p.m. Saturday. Call 724-283-8116 or 724-504-9349 to sign up. Cooper Cabin is at 199 Cooper Road, Cabot. Beverages and lunch will be provided. A Pioneer Festival is planned for 11 a.m. to 4 p.m. Aug. 11. Visit www.butlerhistory.com.

Phipps Conservatory and Botanical Gardens, continues the Summer Flower Show “Van Gogh in Bloom,” featuring the artistry of Vincent van Gogh with botanical renderings of the artist's iconic works in vibrant detail including “Starry Night,” “Sunflowers,” and “Wheat Field with Cypresses.” Phipps is open from 9:30 a.m. to 5 p.m. daily. Admission is $17.95 for adults, $16.95 for senior citizens age 62 and older and students, and $11.95 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.Heinz History Center, 1212 Smallman St., will explore Black Media and the Vietnam War during a program at 7 p.m. Aug. 13. “The Vietnam War: 1945-1975” exhibition continues through Sept. 22. Admission to this program is free. Registration is encouraged at heinzhistorycenter.org/events.