Harmony Museum on Mercer Street in Harmony has guided tours that include the main building and wine cellar and a neighboring house that were built by the communal Harmony Society, and a Mennonite log house. Tours are offered 1 to 4 p.m. daily except Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youth ages 6 to 17. Call 724-452-7341 or visit www.harmonymuseum.org.

Old Economy Village in Ambridge is open year-round. Admission is $10 for adults, $9 for senior citizens, $6 for children ages 3 to 11, and free for active military personnel. Hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays. Call 724-266-4500.

Phipps Conservatory and Botanical Gardens has opened its spring flower show. The theme is “The Secret Garden.” The show runs through April 7 and is open from 9:30 a.m. to 5 p.m. daily and until 10 p.m. on Fridays. Admission is $15 for adults, $14 for senior citizens and students, and $11 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.Heinz History Center, 1212 Smallman St., presents “1968: The Year That Rocked America.” Admission is $15 for adults, $13 for senior citizens, $10 for students and children ages 6 to 17, and free for children 5 and younger. Call 412-454-6000 or visit www.heinzhistorycenter.org.ToonSeum, Pittsburgh's Museum of Cartoon Art at 945 Liberty Ave., hosts the opening of “The Art of Bill Plympton” at 6 p.m. Friday. Tickets for the screening and reception are $10. An exhibit featuring animation, “The Art of Akira Returns,” continues through April 28. ToonSeum admission is $5 for adults and children age 13 and older and $1 for children age 6 to 12. Museum hours are 10 a.m. to 3 p.m. Mondays, Wednesdays, Thursdays and Sundays and 10 a.m. to 5 p.m. Fridays and Saturdays. Call 412-232-0199 or visit www.toonseum.org.Children's Museum, Allegheny Square, presents “Move with Art” through May 12. Hours are 10 a.m. to 5 p.m. daily. Admission is $13 for adults, and $12 for children ages 2 to 18 and senior citizens. Call 412-322-5058 or visit www.pittsburghkids.org.